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Question 2 - Figure it out - Page 16, 17 - Chapter 1 Class 8 - A Square and a Cube (Ganita Prakash)
Last updated at July 30, 2025 by Teachoo
Class 8 (Ganita Prakash & Old NCERT)
Chapter 1 Class 8 - A Square and a Cube (Ganita Prakash)
- Introduction
- Square Numbers
- Perfect Squares - and its Properties
- Perfect Squares - and its Patterns
- Square Root
- Smallest number multiply or divide to get perfect square
- Estimating Square Root
- Figure it out - Page 10, 11
- Cubic Numbers
- Perfect Cubes - and its Properties
- Perfect Cubes - and its Patterns
- Cube Root
- Smallest number multiply or divide to get perfect cube
- A pinch of History
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Figure it out - Page 16, 17
Transcript
Question 2 What number will you multiply by 1323 to make it a cube number? We see that 1323 = 3 × 3 × 3 × 7 × 7 Since 7 does not occur in triplets, ∴ 1323 is not a perfect cube. So, we multiply by 7 to make triplet So, our number becomes 1323 × 7 = 3 × 3 × 3 × 7 × 7 × 7 Now, it becomes a perfect cube. So, we multiply 1323 by 7 to make it a perfect cube
