What is a two-digit square number whose sum of digits is also a square number?

M4maths Previous Puzzles

14 Apr 2020 Number

What is a two-digit square number whose sum of digits is also a square number?

OPtion

1) 80
2) 91
3) 79
4) 82
5) 83
6) 78
7) 25
8) 36
9) 16
10) None of these

Solution

3 + 6 = 9,

Correct Option: 8 Best Solution (3)