NCERT Solutions Poorvi Chapter 3 My Brother's Great Invention — Let us discuss

Book page 98 Updated on2026-09-05

Q1.
Arrange the following events in the correct order of occurrence. 1. The door swings open, and they see Boppa, standing there with an evil grin. 2. Boppa is nowhere to be found, but his green scarf is lying near the time machine. 3. Mrs. Sharma, her husband, and Dr. Mohan unlock the door and enter the house to help the children. 4. Anita wakes Anand up, informing him that someone is trying to get into the house. 5. Anand misleads Boppa into entering his room instead of his father's room.
Answer

The correct order is 4 → 1 → 5 → 3 → 2.

OrderEvent (as numbered in the book)Proof from the text
1st4. Anita wakes Anand up, informing him that someone is trying to get into the house.'I shook Anand and whispered, "Listen, there's someone at the door."'
2nd1. The door swings open, and they see Boppa, standing there with an evil grin.'the door swung open and we found ourselves looking at a ruffianly fellow with a green scarf'
3rd5. Anand misleads Boppa into entering his room instead of his father's room.'"Where is your father's room?" … Anand said quickly, "The one next to this one."'
4th3. Mrs. Sharma, her husband, and Dr. Mohan unlock the door and enter the house to help the children.'In a minute the door was unlocked. "What on earth has been happening here, children?"'
5th2. Boppa is nowhere to be found, but his green scarf is lying near the time machine.'Near the panel of switches was the green scarf.'
Tip: When you order events, look for the small time-markers the writer drops — 'at about eleven thirty', 'a little later', 'all of a sudden', 'in a few minutes', 'at last'. They give you the sequence without any guessing.
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