1.

Let C Be A Positive Integer Such That C + 7 Is Divisible By 5. The Smallest Positive Integer N (>2) Such That C + N2 Is Divisible By 5 Is?

Answer»

C + n^2 is DIVISIBLE by 5 if and only if c and n^2 are both divisible by 5.

But, if c is divisible by 5 then c + 5 will not be divisible by 5.

c + n^2 is divisible by 5 if and only if c and n^2 are both divisible by 5.

But, if c is divisible by 5 then c + 5 will not be divisible by 5.



Discussion

No Comment Found

Related InterviewSolutions