P

Praveen Singh • 36.81K Points
Coach Math

Q. Suppose there is a number 'n'. When 'n' is divided by 5, the remainder will be 2. What will be the remainder when n2 is divided by 5?

  • (A) 6
  • (B) 4
  • (C) 1
  • (D) 8
  • Correct Answer - Option(B)
  • Views: 1059
  • Filed under category Math
Explanation by: Praveen Singh
According to the question when 'n' is divided by 5, we will get the remainder 2

n/5 = remainder 2

On putting n =7, and on dividing it with 5 we will get remainder 2

So, n = 7, and n^2 = 49

(n^2)/5 = 49/5 = remainder 4

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