Question

EXERCISE 3 B
1. Give reason to show that none of the numbers given below is a perfect square :
(i) 2162
(ii) 6843
(iii) 9637
(iv) 6598
(u) 640
(vi) 49000
(vii) 3600000​

Answer 1

Answer:

The numbers which end with 2,3,7 or 8 are not perfect square at the units place so all the above numbers are not a perfect square

Answer 2

The numbers which end with 2,3,7,8 are not a perfect square.
So these are not perfect square