Samacheer Kalvi 8th Maths Solutions Term 3 Chapter 1 Numbers Additional Questions

Samacheer Kalvi 8th Maths Solutions Term 3 Chapter 1 Numbers Additional Questions

Tamilnadu Samacheer Kalvi 8th Maths Solutions Term 3 Chapter 1 Numbers Additional Questions

Question 1.
Find the least number by which 1100 must be multiplied so that the product becomes a perfect square. Also, in each case find the square root of the perfect square so obtained.
Solution:
We find 1100 = 2 × 2 × 5 × 5 × 11 =2² × 5² × 11
∴ The prime factor 11 has no pair.
∴ If we multiply 1100 by 11, then the product becomes a perfect square.
∴ New number = 1100 × 11 = 12100

Question 4.
Write a Pythagorean triplet whose one number is 110
Solution:
Here let 2m = 110
m = 55

Question 6.
Find the square root of 0.053361
Solution:

Question 8.
The volume of a cube is 9261000 m³. Find the side of the cube?