Question

If P is the remainder obtained when a perfect square is divided by 3. then the value of 'p' is
1) only 1
2) only 0
3) 1.0
4) None​

Answer 1

The square of a positive integer 'm' is of the form 3m or 3m + 1 (for some 'm'). Hence, the remainder obtained when a perfect square is divided by 3 is either 0 or 1.