Question

Seeing the digit at the unit's place, state which of the following can be square of a number?

1} 3051, 2} 2332, 3} 5684, 4} 6908, 5} 50699, 6} 920546.

Answer 1

The given options are:

1) 3051

2) 2332

3) 5684

4) 6908

5) 50699

6) 920546

If we concentrate only on units digit then among the given options, 3051, 5684, 50699 and 920546 can be square of numbers.

We know 2, 3, 7 and 8 never come at the unit place in square numbers, so there is possibility that 3051, 5684, 50699 and 920546 are square of numbers, but it is not necessary.