So Simple!

Number Theory Level pending

In multiplying two positive integers a a and b b , Ron reversed the digits of the two-digit number a a . His errorneous product was 161 161 . What is the correct value of the product of a a and b b ?


The answer is 224.

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1 solution

Danish Ahmed
Mar 20, 2015

161 = 7 23 161 = 7*23

Therefore the actual product must be 7 32 = 224 7*32 = 224

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