The concept of zero, which adds value to numbers and is essential for calculations in the digital world, was invented by ancient Indian mathematicians. It revolutionized mathematics and made modern computing, accounting, and various technological systems possible. Class 7 English Poorvi ...
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Onomatopoeia is a word that imitates a sound. In the story, “crash” is an example. It represents the loud sound of something breaking, which was heard when Boppa entered Anand’s room and possibly triggered the time machine. Class 7 English Poorvi ...
Without inventions, the world would be backward and inconvenient. We would lack electricity, transport, medicine, and communication tools, making life difficult and unsafe. Class 7 English Poorvi Unit 3 Dreams and Discoveries Class 7 English Poorvi Unit III Chapter 1 My Brother’s ...
In (i), “had rushed” is past perfect; “found” is simple past. In (ii), “had vanished” and “had cooled down” are past perfect; “reappeared” is simple past. Class 7 English Textbook Dreams and Discoveries Chapter 1 My Brother’s Great Invention question answer Class ...
Anand’s parents were often annoyed or skeptical of his inventions. His mother was cautious, and his father got angry. His sister Anita found his ideas bothersome but stayed involved, warning him to avoid dragging her into trouble. Class 7 English Poorvi ...