Which is the following represent the set of number which one can come as a unit digit in a perfect square number?
1,4,5,6
1,4,5,7
1,2,5,6
1,3,5,8
1,2,4,5
Which of the following can't be the units digit in a perfect square number?
Which of the following correctly represent the unit digit of any perfect square number.
If the units digit of a perfect square is 4, then the number is always divisible by which of the following :