Question

(n²-2) is divisible by 5 then n is?

Answer 1

Answer:

nhi par pata hai bhashai

Answer 2

Step-by-step explanation:

For a number to be divisible by 5,

Its one place must be either 0 or 5.

Thus, for n² - 2 to be divisible by 5, its one's place should be 0 or 5

Thus, n² 1st place must be 0+2 and 5+2 = 2 or 7

But as we know, no such square exists whose end place is either 2,3,7,8.

Hence, No solution.