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Question 46

P and Q are two positive integers such that PQ = 64. Which of the following cannot be the value of P + Q?

Solution
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When PQ = 64

Possible values of P and Q are as follows:

64 and 1 ; 32 and 2 ; 16 and 4 ; 8 and 8

So possible sums are 65,34,20 and 16

Hence answer would be D)

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