My Brother's Great Invention

A boy who thinks he's a scientist builds a burglar alarm that soaks his own father, then a time machine that may or may not have swallowed a real thief. Here is the full story, the characters, the language and plenty of practice.

What Kind of Text This Is

Quick answer A humorous story told in the first person by a fourteen-year-old girl, Anita, about her inventive younger brother Anand and the night his time machine met a real thief.

This chapter is a humorous short story told in the first person, written by Anita Rau Badami, whose name appears directly under the story's final line. The narrator who says "I" throughout is a character inside the story, a fourteen-year-old girl also called Anita, with a younger brother named Anand, one year her junior. Because narrator and author share a first name, it is tempting to read the story as a true memory, but on the page it is simply a story narrated in the first person by a character the author has created.

The setting is an ordinary home in a city close to Kharagpur, a few hours from Calcutta (the story itself notes that the city is now called Kolkata). The household is a familiar one: a father who leaves for the office, a mother who goes to the market, a sister who would rather finish her novel, and a brother who cannot leave a screwdriver alone. Nothing here is exotic or historical; the comedy comes entirely from one character's restless urge to invent things, and from how that urge keeps colliding with ordinary household life.

Two inventions drive the plot: a burglar alarm rigged up because of a rush of thefts in the colony, and a time machine inspired by the film Back to the Future. Both are described by Anand with total confidence and received by everyone else with doubt, which is the engine of most of the story's humour. When you write about this chapter, treat it as a first-person comic narrative rather than a report of real events, and keep Anita's voice, affectionately exasperated with her brother, in mind throughout.

First-person narration The 'I' in the story is a character, Anita, created by the author Anita Rau Badami, not a literal autobiography.
"The trouble with him is that he thinks he is a scientist." Anita's early verdict on Anand sets up every invention that follows as a source of trouble, not triumph.
Two inventions, one pattern Burglar alarm, then time machine: each is announced with confidence, met with doubt, and ends in chaos nobody quite predicted.
Calcutta / Kolkata The story names the city by its old and new names together, anchoring it in a real, recognisable part of India.
Remember
  • It is a humorous short story narrated in the first person by Anita Rau Badami; the author's name is printed directly under the story.
  • The narrator is a character named Anita, 14 years old; her brother Anand is one year younger.
  • The setting is an ordinary home near Kharagpur, a few hours from Calcutta (now Kolkata).
  • Two inventions drive the plot: a burglar alarm built after a rush of thefts in the colony, and a time machine inspired by the film Back to the Future.
  • The humour comes from Anand's total confidence in his inventions set against everyone else's doubt.

The Burglar Alarm: How the Trouble Begins

Quick answer Anand rigs a water-bag alarm meant to catch a thief by his stealth, and instead soaks his own father, who always opens doors the same quiet way.

The story opens in the middle of the action, with Papa roaring from the front doorstep, soaked and furious, demanding to know who rigged up "that water bag". This is a deliberate choice: we are dropped into the consequence before we are told the cause, and only once Papa has stormed off and Anand has sensibly vanished does the narrator pause to "put you in the picture."

The cause, once explained, is simple. There had been a rush of thefts in the colony, and Anand decided that what the house needed was a burglar alarm. His plan was to hang a water bag above the door so that, the moment the door opened, an alarm would clang and the bag would fall on the intruder's head, giving the family time to call the police. The flaw is one that any reader can spot before the story states it outright: Anand rigs the alarm to trip only when the door is opened gently, reasoning that a thief would open it stealthily rather than throw it wide open. He never considers that his own father opens the door exactly that quietly every single day.

Anita is drawn into the scheme despite her better judgement, warning Anand more than once that she wants nothing to do with it if things go wrong. Her warning does her little good: when Papa does get soaked, it is Anand who disappears and takes the blame alone, while Anita's own doubts about "the alarm's guessing powers" turn out to be entirely justified. The episode is short, but it sets the pattern for the whole story: an invention built on a plausible-sounding idea, a flaw nobody wanted to point out, and a parent left to deal with the mess.

"Who put that water bag here?" roared my father The very first line of the story; it opens on the punishment, not the plan.
"If you get a shelling, don't bring me in," I warned Anand. Anita's attempt to stay uninvolved, which the rest of the story shows does not really work.
"I've rigged it up so that the alarm works only when the door is opened gently." Anand's own explanation contains the flaw in plain sight: a gentle opener is exactly what his father is.
Comic irony The device meant to expose a stealthy stranger instead exposes the most familiar person in the house.
Remember
  • The story opens with the consequence first: Papa roaring, soaked, before we learn what caused it.
  • A rush of thefts in the colony is what gives Anand the idea for a burglar alarm.
  • The alarm is rigged to trip only when the door opens gently, since Anand assumes a thief would be stealthy.
  • The flaw is that Papa always opens the door gently too, so he is the one who gets soaked.
  • Anita warns Anand she wants no part of it if it goes wrong, but stays involved anyway.

The Time Machine and the Night Boppa Broke In

Quick answer Inspired by Back to the Future, Anand builds a time machine in his bedroom, and the one night his parents are away, a real intruder walks straight into it.

A week of peace follows the burglar-alarm disaster, broken only after the family watches the film Back to the Future. Anand decides at once that he must build a time machine of his own. Papa locks away his toolbox and hides the key; Ma keeps a wary eye on her oven and mixer, because Anand's "inventing binges" are known to involve dismantling whatever gadgets he can get his hands on. True to form, his room becomes, in the space of a fortnight, "a network of wires, springs, levers, and bulbs," complete with an enormous control switchboard, while Anand himself stops combing his hair and starts looking, in his sister's words, "like a savage."

When the machine is finally ready, Papa flatly refuses to let anyone try it out, though Ma's gentle intervention wins the family permission to at least look at it. The real complication arrives the next day: Papa and Ma leave for a wedding in Kharagpur, a few hours from Calcutta, for a single night, and extract a promise from Anand that he will not touch the time machine while they are away. He agrees, the narrator tells us, only "half-heartedly."

That night, while Anita stays up finishing a novel, she hears scratching, a rattle, and a click at the front door. The intruder turns out to be Boppa, the man who had recently begun sweeping the compounds in their row of houses, and who therefore knew exactly when the house would be empty. Threatening the children with a cudgel, he orders them to point him to their father's room. Thinking quickly, Anand sends him to the wrong room entirely: his own, where the time machine sits waiting.

What follows is a crash, a scream, and a string of strange sounds, muffled thumps, an eerie whine, a low hum, before the neighbours arrive and the children are freed. Boppa is never found. The only trace he leaves behind is his green scarf, lying on the floor beside the switchboard.

"We can try it out tonight," Anand announced His confidence about the finished time machine mirrors his earlier confidence about the burglar alarm.
"Promise me you won't do anything with that time machine till we come back." Ma's condition, and Anand's half-hearted promise, set up the dramatic irony of what happens that very night.
"The one next to this one." Anand's quick, deliberate misdirection, sending Boppa into his own room instead of toward their father's.
"My time machine, he's started it!" Anand's instant interpretation of the crash and the noises, the first hint of the ambiguity that the story never resolves.
Remember
  • Watching Back to the Future gives Anand the idea to build a time machine.
  • His room is transformed over a fortnight into a mass of wires, springs, levers and a control switchboard.
  • His parents leave for one night for a wedding in Kharagpur and make Anand promise not to use the machine, which he agrees to only half-heartedly.
  • The intruder is Boppa, the compound-sweeper, who knew exactly when the house would be empty.
  • Anand misdirects Boppa into his own room, where the time machine is, instead of toward their father's actual room.
  • Boppa vanishes without a trace except for his green scarf, found beside the switchboard.

The People and What They Reveal

Quick answer Anand is inventive and stubbornly confident, Anita is the sceptical but loyal observer, the parents balance firmness with indulgence, and Boppa supplies the real danger beneath the comedy.

Anand is defined by one trait above all others: he is utterly convinced of his own genius, regardless of the evidence in front of him. He describes his burglar alarm as carefully planned, shows Anita a "blueprint" to sound professional, and later insists his time machine truly worked even when every adult around him laughs at the idea. He is "bothersome," in Anita's own word, and frightens people "half to death," yet he is also undeniably resourceful: in the one moment that matters most, with a stranger's cudgel pointed at him, he thinks fast enough to send Boppa into the wrong room.

Anita is the story's narrator and its voice of common sense. She doubts the burglar alarm's "guessing powers" from the start, tries more than once to keep herself out of trouble, and is the one who insists, when the parents hesitate, "We're old enough to look after ourselves, Ma." Her scepticism never curdles into meanness, though; she stays up to finish her novel rather than sleep, she shakes her brother awake the instant she senses danger, and she is fully at his side through the night of the break-in, despite every warning she gave him earlier.

Papa and Ma together strike a balance the story clearly enjoys. Papa is the household's voice of firm refusal, locking away his toolbox and declaring "When I say NO, I mean NO," yet he is also the one who softens enough to let the children show him the finished machine, muttering that if the house falls, it will be Anand's fault. Ma is gentler throughout, soothing Papa after the burglar-alarm incident and pleading Anand's case to see the time machine, but she is equally firm about the one promise that matters, that it will not be switched on while they are away.

Boppa, the sweeper who becomes the thief, is sketched in only a few lines: a "ruffianly fellow with a green scarf," armed with a cudgel, who knew precisely when the house would be empty because sweeping the compounds had given him the run of the neighbourhood. He supplies the one moment of real danger in an otherwise comic story, and his unexplained disappearance is what keeps the ending open rather than neatly closed.

"Bothersome" Anita's own word for her brother, backed up by the trail of trouble he leaves through the story.
"We're old enough to look after ourselves, Ma." Anita's claim to responsibility, made just before the one night that tests it.
"When I say NO, I mean NO," Papa said, glaring. Papa's firmness, which the story immediately begins to soften in the very next lines.
A ruffianly fellow with a green scarf The story's only description of Boppa before he is recognised, kept deliberately brief.
Remember
  • Anand is defined by unshakeable confidence in his own inventions, regardless of how they turn out.
  • Anita is the sceptical narrator who still stands by her brother when real danger arrives.
  • Papa represents firm refusal that occasionally softens; Ma represents gentle persuasion balanced with a firm promise.
  • Boppa, the compound-sweeper turned thief, supplies the story's one real moment of danger.
  • Each adult's response to Anand's claim (disbelief, indulgence, or a 'niggling suspicion') shapes how the ending is read.

What Really Happened to Boppa?

Quick answer The story refuses to confirm whether the time machine truly worked, leaving Anand's claim, the adults' disbelief and the narrator's own hint equally open.

The most interesting choice in this story is what it leaves out. Boppa walks into Anand's room, there is a crash, a scream, and a set of noises nobody can quite place, and then he is simply gone. The neighbours search the house and find nothing; the only way out, they are certain, is the way they themselves came in. Logically, this should be impossible, and the story never explains it away.

Three responses to this mystery sit side by side without the story choosing between them. Anand is certain: "My time machine! He's gone through that!" he says, eyes shining, and he goes on believing it for good, convinced he is now a genius. Mr Sharma dismisses it entirely, smiling "indulgently" and saying, "What an imagination this boy has!" before sending the children off to bed. And the narrator, who has watched the whole story unfold, gives us one more detail tucked into a single sentence: the time machine is dismantled because Papa thinks it is not safe, "maybe he also had a niggling suspicion that it worked."

That last phrase is doing careful work. It does not confirm the time machine is real, and it does not dismiss the possibility either. By ending on an adult's quiet doubt rather than a clear answer, the story keeps its tone light while still rewarding a closer reader: the most sensible character in the household, the one who locked away his toolbox out of pure caution, is the one who cannot quite bring himself to rule it out.

"My time machine, he's gone through that!" Anand's unwavering explanation, stated as fact though no one else accepts it.
"What an imagination this boy has!" Mr Sharma's dismissal, the adult world's default response to anything it cannot explain.
"...maybe he also had a niggling suspicion that it worked" The story's final, carefully placed hint that keeps the mystery open rather than closing it.
Deliberate ambiguity The story never confirms or denies the time machine's power, which is itself the point: it lets the reader decide.
Remember
  • Boppa vanishes from a locked room with only one way out, and the story never explains how.
  • Anand is fully convinced the time machine worked and that Boppa went through it.
  • Mr Sharma dismisses the idea entirely as 'imagination' and treats it as nothing more than a child's story.
  • The narrator's closing detail, that Papa had 'a niggling suspicion that it worked,' deliberately keeps the mystery open.
  • The ambiguity is a craft choice: it lets the story stay funny while rewarding readers who notice the final hint.

How the Writing Works

Quick answer Onomatopoeia tracks the night's chaos, idioms and binomials carry the story's casual humour, and phrasal verbs describe how each invention is built and used.

The story leans heavily on onomatopoeia, words that imitate the sounds they name, to carry the reader through moments the narrator cannot see directly. A clanging alarm, a crash, a scream, muffled thumps, an eerie whine, a low humming sound: these sound words do the work of a camera the narrator does not have, letting us picture the chaos in Anand's room purely through what Anita and Anand can hear through a locked door.

The dialogue is full of idioms that give the narration its conversational, funny tone: Anand's inventions cause "hoo-ha," he regularly "gets on Papa's nerves," he risks "frightening someone half to death," and Anita warns that she does not want to "get a shelling" for his schemes. A sweeper "sweeping out the compounds" has, in effect, been "leaving the coast clear" for his own theft, and the children "fell over ourselves" trying to explain what happened to the confused neighbours. None of these phrases mean quite what their individual words suggest, which is exactly what makes them idioms.

The story also uses binomials, fixed pairs of words joined by "and" or "or", in the kind of everyday way a reader might miss on a first pass: a plan might need to be "safe and sound," a drawer full of "odds and ends," a decision that is "make or break," two sides weighing "pros and cons," a last chance that is "now or never," and a friendship built on "give and take." And running underneath both inventions are phrasal verbs that describe exactly how they work: the alarm is "rigged up" and later "tripped off," plans elsewhere "turn out" one way or another, and the family nearly "runs out of" patience with Anand's schemes.

Onomatopoeia A word that imitates the sound it names, such as clanging, crash or humming; here it substitutes for a scene the narrator cannot witness directly.
Idiom A phrase whose meaning is not literal, such as 'get a shelling' (to be scolded) or 'leaving the coast clear' (removing any obstacle to acting unseen).
Binomial Two words fixed together by 'and' or 'or', always in the same order, such as safe and sound or pros and cons.
Phrasal verb A verb plus a particle that together carry a meaning the verb alone does not, such as 'rig up' (assemble something temporarily) or 'trip off' (set off suddenly).
Remember
  • Onomatopoeic words like clanging, crash, thumps, whine and humming let the reader hear the chaos the narrator cannot see.
  • Idioms such as 'get on someone's nerves', 'frighten half to death' and 'get a shelling' give the dialogue its casual, humorous tone.
  • Binomials like safe and sound, odds and ends, and pros and cons are fixed word-pairs joined by and/or.
  • Phrasal verbs such as rigged up and tripped off describe exactly how each invention is built and triggered.
  • The vocabulary in this story is almost all everyday and conversational, matching its light, humorous tone.

How to Write About This Story

Quick answer Keep narrator and author separate, track cause and effect across two inventions, use the right tense for events told out of order, and support every claim with a line from the text.

When you are asked to summarise this story, resist the urge to retell every line. Instead, organise your answer around the two inventions: what each one was meant to do, what actually happened, and who ended up blamed or credited. A cause-and-effect structure works especially well here, since nearly every event in the story leads directly to the next, a thin alarm leads to a soaked father, a week of calm, then a film that starts the whole cycle again with the time machine.

Keep the narrator and the author separate in your own writing, just as you would for any first-person story. Anita the character tells us what she saw and felt; Anita Rau Badami the author chose what details to include and, crucially, chose not to resolve the mystery of Boppa's disappearance. A good answer about the ending should say what the text actually gives us, three different reactions, no confirmation either way, rather than picking a side the story itself refuses to pick.

Pay attention to tense when the story moves between what happened earlier and what happened more recently; the text itself does this carefully, as in "Anand had vanished by this time and reappeared only after dinner when Papa had cooled down," where the past perfect ("had vanished," "had cooled down") marks the earlier of two past events and the simple past ("reappeared") marks the later one. Using the right tense when you retell events out of their original order will make your own writing clearer too.

Finally, support every claim about character or theme with a specific moment from the text rather than a general impression. "Anand is confident" is a weaker answer than "Anand calls his plan carefully planned and shows Anita a blueprint, even though the alarm goes on to soak his own father." The second version proves the point instead of just stating it.

Cause and effect A useful structure for this story: each invention's flaw becomes the cause of the next scene's effect.
Narrator vs. author Anita tells the story from inside it; Anita Rau Badami decided what to include and what to leave unresolved.
Past perfect for the earlier event "Anand had vanished... and reappeared only after dinner when Papa had cooled down": had + past participle marks whichever past event happened first.
Evidence over impression Back up every claim about a character with a specific line or moment from the story.
Remember
  • Organise a summary around the two inventions: intention, outcome, who is blamed or credited.
  • Treat events as a chain of cause and effect, since one invention's failure leads directly into the next one's beginning.
  • Keep the narrator Anita separate from the author Anita Rau Badami when discussing the story's choices.
  • Use past perfect for the earlier of two past events and simple past for the later one, as the story's own sentences do.
  • Support claims about character with a specific quoted or paraphrased moment, not a general impression.

Key points & quotes

The quotes, devices and rules worth carrying into the exam — screenshot this before you revise.

First-person narration
"The trouble with him is that he thinks he is a scientist."
Two inventions, one pattern
Calcutta / Kolkata
"Who put that water bag here?" roared my father
"If you get a shelling, don't bring me in," I warned Anand.
"I've rigged it up so that the alarm works only when the door is opened gently."
Comic irony
"We can try it out tonight," Anand announced
"Promise me you won't do anything with that time machine till we come back."
"The one next to this one."
"My time machine, he's started it!"
"Bothersome"
"We're old enough to look after ourselves, Ma."
"When I say NO, I mean NO," Papa said, glaring.
A ruffianly fellow with a green scarf
"My time machine, he's gone through that!"
"What an imagination this boy has!"
"...maybe he also had a niggling suspicion that it worked"
Deliberate ambiguity
Onomatopoeia
Idiom
Binomial
Phrasal verb
Cause and effect
Narrator vs. author
Past perfect for the earlier event
Evidence over impression

Test yourself

Tap an answer to check it instantly — you'll see why it's right, and what to revise if it isn't.

0 correct · 0/12 answered
Q1 Text type easy

What kind of text is "My Brother's Great Invention"?

Q2 Narrator and characters easy

How old is Anita, the narrator, and how does her age compare to Anand's?

Q3 Plot easy

What prompted Anand to build the burglar alarm?

Q4 Plot medium

Why did the burglar alarm end up soaking Papa instead of a thief?

Q5 Plot medium

What film gave Anand the idea to build a time machine?

Q6 Plot medium

Why did Papa and Ma travel to Kharagpur, leaving Anita and Anand alone for a night?

Q7 Plot medium

What promise did Ma extract from Anand before leaving for Kharagpur?

Q8 Plot hard

Who turns out to be the intruder who breaks into the house that night?

Q9 Plot hard

How does Anand mislead the intruder about which room belongs to their father?

Q10 Plot hard

What is the only trace Boppa leaves behind after he disappears?

Q11 Themes and ending medium

What does the story's final line about the time machine suggest about Papa's own feelings?

Q12 Plot easy

What new project does Anand announce he has launched at the very end of the story?

NCERT solutions & previous-year questions

Step-by-step model answers — tap a question to reveal the full solution.

NCERT questions 8

1 What prompted Anand to create the burglar alarm?

A rush of thefts had broken out in the colony, and Anand decided that the house needed protection. He came up with the idea of a burglar alarm that would ring a bell and drop a water bag on an intruder's head the moment the door was opened, giving the family time to call the police.

True to his usual style, he was completely confident in his plan, even showing his sister a hand-drawn blueprint to make it sound more professional. The flaw that nobody noticed in advance, that the alarm would trip for anyone who opened the door gently, including his own father, became clear only once it was too late.

2 How did Anand's father become the target of the burglar alarm?

Anand had rigged the alarm so that it would work only when the door was opened gently, reasoning that a thief would try to enter stealthily rather than throw the door wide open. He never considered that someone in his own family might open the door just as quietly.

Papa, as it turns out, always opens the door softly. When he came home and did exactly that, the alarm went off as planned, except the person it caught was thoroughly innocent: Papa himself, left standing on the doorstep sopping wet and furious.

3 How did Anand's parents and sister react to his ideas?

Each reacted differently. Papa's first instinct was usually firm refusal: he locked away his toolbox before leaving for Kharagpur and flatly said "When I say NO, I mean NO" when Anand wanted to try out the finished time machine. Yet his refusals softened under pressure; he eventually agreed to at least look at the machine, grumbling that if the house fell down, it would be Anand's fault.

Ma was gentler from the start, soothing Papa after the burglar-alarm incident and pleading Anand's case to see the time machine, though she too held firm on the one condition that really mattered: that it would not be switched on while they were away. Anita, the narrator, was openly sceptical throughout, warning Anand she wanted no blame if his schemes went wrong, yet she stayed loyally at his side whenever real trouble arrived.

4 How did Anand behave when he was on his 'inventing binges'?

When Anand was deep in one of his inventing moods, very little else mattered to him. He took apart gadgets around the house to collect parts for his projects, which is why Papa locked up his toolbox and Ma kept a wary eye on her oven and mixer during the time-machine phase.

He also stopped caring about his appearance, going around looking, in his sister's words, "like a savage" and not even combing his hair when their mother was not looking. He shut his door on everyone, letting no one into his room, and worked at a frantic pace for a fortnight straight until the time machine was finally ready.

5 Why did Mr Sharma not believe Anand when he spoke about his time machine?

From an adult's point of view, Anand's claim made no sense at all. A grown man had apparently vanished from a locked room with only one exit, an exit the neighbours themselves had been watching, and the only explanation on offer was a home-made time machine built by a thirteen-year-old out of household spare parts.

Mr Sharma, like any sensible adult, looked for the ordinary explanation first and, finding none, settled for dismissing the whole idea rather than accepting something impossible. He smiled "indulgently" and said, "What an imagination this boy has!", treating it as a charming story rather than a real event, and sent the children off to bed instead of investigating further.

6 Give an ending to this story, explaining what might have happened to Boppa.

This is an open creative-writing question, so there is no single correct ending, but a good answer should stay consistent with the clues the story actually gives: Boppa was last seen near the switchboard, his green scarf was found on the floor, and the room had been filled with a crash, a scream, muffled thumps, an eerie whine and a low humming sound just before he vanished.

One possible ending might have Boppa, startled in the dark and unfamiliar room, stumbling into the machine's wiring, getting a mild electric shock, and bolting out through a window or gap the search party missed, dropping his scarf as he scrambled away, too humiliated and frightened by the strange noises to ever return to the colony. A student could equally choose to continue Anand's own explanation and describe Boppa arriving in some other time period, as long as the writing stays playful and matches the story's light tone rather than turning serious or frightening.

7 Trace the chain of cause and effect that leads from watching Back to the Future to the night Boppa breaks in.

The chain runs in a clear, unbroken line. Watching the film gives Anand the idea for a time machine, which leads him to spend a fortnight dismantling gadgets and building a switchboard in his room. The finished machine then becomes the reason Papa and Ma extract a promise from Anand before leaving for a one-night wedding in Kharagpur, a promise he makes only half-heartedly.

That same night, Boppa, who already knew the house would be empty because he swept the colony's compounds, breaks in. When he threatens the children and demands to be shown their father's room, Anand's quick thinking, born of the very confidence that got him into trouble earlier, sends Boppa into the room containing the time machine instead. Each link in this chain depends on the one before it, which is why the story reads as one connected sequence of events rather than a set of separate incidents.

8 Compare how the burglar-alarm episode and the time-machine episode are similar in structure.

Both episodes follow the same pattern. Anand announces an invention with complete confidence, often using impressive-sounding words like "blueprint" to make it sound professional. Someone close to him, usually Anita, voices doubt but is drawn in anyway. The invention is then tested under real conditions rather than controlled ones, and it produces a result nobody had quite planned for.

The difference lies in scale and consequence. The burglar alarm backfires in a small, contained way: Papa gets soaked, is angry for an evening, and the matter is forgotten within a week. The time machine's test, by contrast, coincides with a real burglary and ends with a thief's mysterious disappearance, a far larger and stranger consequence that is never fully resolved by the end of the story.

Previous-year board questions 6

Q1 Discuss how this story blends humour with suspense, giving one example of each. 5 marks mark

The story keeps its tone light through most of its length by using exaggeration and comic timing: Papa roaring on the doorstep, sopping wet, over something as harmless as a water bag, or Anand's grand description of a mere drawing as a "blueprint," are both funny precisely because the stakes are so small compared to the fuss made over them.

Suspense enters once a real stranger, Boppa, breaks into the house at night. The pacing changes noticeably here: short, urgent sentences, a scratching sound, a rattle, a click, Anita's whispered warning to her brother, and a cudgel-wielding man ordering silence, all build real tension that the earlier, lighter episodes did not have. The story's skill lies in keeping both tones believable within a single narrative, moving from comedy to real danger and partly back again without the shift feeling forced.

Q2 Anita warns, "If you get a shelling, don't bring me in," yet ends up fully involved in every one of Anand's schemes. What does this reveal about the siblings' relationship? 3 marks mark

Her warning shows that she is the more cautious of the two, aware of consequences in a way Anand often is not. But the fact that she keeps getting involved anyway, cleaning up after the burglar alarm, staying awake through the night of the break-in, shaking her brother to warn him of danger, shows that her caution never actually overrides her loyalty.

The relationship this reveals is a realistic, everyday sibling bond: exasperation on the surface, but genuine care and solidarity underneath. Anita complains about her brother and distances herself from his schemes in words, but in action she is always there when it matters.

Q3 The story never confirms whether Anand's time machine actually worked. Explain how the author creates this ambiguity, and why it works for the story. 5 marks mark

The author creates the ambiguity by giving three different, equally plausible reactions to Boppa's disappearance and refusing to endorse any one of them. Anand is certain the machine worked. Mr Sharma dismisses the whole idea as a child's imagination. The narrator, closest of all to being a neutral voice, offers only a hint: Papa dismantles the machine as unsafe, "maybe" out of a "niggling suspicion that it worked." No version is confirmed, and no version is ruled out.

This works well for a story that has been comic throughout. A clear, logical explanation (Boppa escaped through some missed gap) would deflate the fun built up around Anand's inventions, while a flatly magical one (the time machine definitely worked) would break the story's realistic, everyday tone. Leaving the question open lets the story end on the same note of mild, enjoyable uncertainty that runs through all of Anand's earlier claims.

Q4 Compare Anand's and Anita's personalities, using evidence from the text. 3 marks mark

Anand is driven, confident and almost impervious to doubt. He plans his inventions carefully in his own mind, defends them with words like "blueprint," and continues to believe in his time machine even when an adult laughs in his face. He is also quick-witted under real pressure, as shown by how fast he misdirects Boppa.

Anita is more cautious and more aware of risk. She questions the burglar alarm's "guessing powers" before it is even tested, tries to keep herself clear of blame, and reads a situation, a scratching sound at midnight, as dangerous before her brother takes it seriously. Where Anand acts first and justifies later, Anita tends to weigh the situation first, though she rarely acts on her caution by simply walking away.

Q5 Mr Sharma says, "What an imagination this boy has!" Explain the irony in this comment, given what the reader has just witnessed. 3 marks mark

Mr Sharma means the comment as gentle, dismissive praise, the kind an adult offers a child who has told an obviously made-up story. He believes Anand is inventing an explanation because the real one, that Boppa simply slipped past them, is too embarrassing to admit.

The irony is that the reader has witnessed exactly the same unexplained events that Anand has: the crash, the strange noises, and a man who vanishes from a room with only one exit, which the search party itself confirms. Mr Sharma's confident dismissal is only possible because he, unlike the reader and unlike Anand, was not inside that room when it happened.

Q6 Rectify this false statement about the story: Boppa deliberately chose Anand's room because he already knew about the time machine. 3 marks mark

This is incorrect. Boppa had no idea that Anand's room contained anything unusual. He demanded to be shown their father's room because he was looking for valuables, not because he knew or suspected a time machine existed.

It was Anand who deliberately misdirected him, quickly saying their father's room was "the one next to this one" and sending Boppa into his own room purely to buy time and confuse the intruder. Boppa walked into that room by mistake, believing it was the room he had actually asked for.

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