A Square and a Cube Class 8 Very Short Question Answer

A Square and a Cube Class 8 Very Short Question Answer

A Square and a Cube Class 8 Very Short Question Answer

Question 1.

Write the first five square numbers.

Solution:

1, 4, 9, 16, 25.

Question 2.

Express 81 as the sum of first nine consecutive odd numbers.

Solution:

1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17.

Question 3.

Find the cube root of 64.

Solution:

64 = 4 × 4 × 4.

So, cube root of 64 is 4.

Question 4.

Express 49 as a numbers.

Solution:

49 = 1 + 3 + 5 + 7 + 9 + 11+ 13

Question 5.

Express 125 as a sum of consecutive odd numbers.

Solution:

125 = 21 + 23 + 25 + 27 + 29