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

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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; Correct Option: 8 Best Solution (3)

SAYAN CHATTERJEE 5 years AGO

36 means 6^2
and 3+6=9 which is 3^2.
Option 8.

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Varun 5 years AGO

9 and 36 are squares
3+6 = 9
=> Option (8)

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Joshua Ayodeji 5 years AGO

36 is a square number gotten from 6 * 6
3+6 = 9
9 is also a square number gotten from 3 * 3

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Dimple

India

Punjab

Time: 00:01:33

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

M4maths Previous Puzzles

14 Apr 2020 Number