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Submitted by Amit Shukla, on August 10, 2017

Puzzle

Roshan have a favorite number and he give some information regarding his number. The information is that the sum of square of the digits constituting a positive two- digit number is 13. If we subtract 9 from that number, we shall get the number written by the same digit in reverse order. Now you have to find Roshanâ€™s favorite number.

Important points of puzzle:

Answer

32.

Reason

For sum of square of digits to be 13, it is obvious that the digits should be 2 and 3. So the number can be only 23 or 32. Further, the number being referred to 32 since the reduction of 9 reverse the digit. Hence the required number is 32.

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