Wednesday 7 December 2011

DAY 378

Think of a proper fraction in which both the numerator and denominator are prime numbers. If you subtract 19 from the product of the numerator and denominator, the answer is 16. What is the fraction?

Answer:

5/7 ........... Let a/b represent the fraction. (a X b) - 19 = 16. a X b = 35.

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