Rana thinks of a two digits number. When the number is... | Reasoning Class 5

Reasoning Class 5 Other

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

Rana thinks of a two digits number.
When the number is multiplied with itself answer is 144.
When the digits swap their places, the new number so formed when is multiplied with itself answer is 441.
What number is he thinking about?
A.21
B.13
C.31
D.12

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