Ayushree
  • 1

Aribam and Bijou play a game. One says a number and the other replies with its square root. Aribam starts. He says 25 and Bijou quickly responds with 5. Then Bijou says 81 and Aribam answers 9. The game goes on till Aribam says 250. Bijou is not able to answer because 250 is not a perfect square. Aribam asks Bijou if he can at least provide a number that is close to the square root of 250.

  • 1

250 is not a perfect square. We know 15² = 225 and 16² = 256, so √250 lies between 15 and 16. Since 250 is closer to 256, the approximate square root of 250 is slightly less than 16.

Class 8 Mathematics Chapter 1 A Square and A Cube question answer

Class 8 NCERT Ganita Prakash Chapter 1 A Square and A Cube solutions

Share

1 Answer

  1. Since 250 is not a perfect square, Bijou can estimate the square root. 15² = 225 and 16² = 256. So, √250 must lie between 15 and 16. Since 250 is closer to 256 than to 225, we can estimate that √250 ≈ 15.8 or just say it is slightly less than 16. This approximation is useful when exact roots are not available for non-square numbers.

     

    For more NCERT Solutions for Class 8 Mathematics Ganita Prakash Chapter 1 A Square and A Cube Extra Questions & Answer:

    https://www.tiwariacademy.com/ncert-solutions/class-8/maths/ganita-prakash-chapter-1/

    • 87
Leave an answer

Leave an answer

Browse