CAT Quantitative Ability Questions | CAT Number System questions

CAT/1997

Question . 153

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

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Explanatory Answer

Method of solving this CAT Quantitative Ability Question from Number System question

(d) Given PQ = 64 = 1 × 64 = 2 × 32 = 4 × 16 = 8 × 8.

Corresponding values of P + Q are 65, 34, 20, 16.

Therefore, P + Q cannot be equal to 35.