CAT Quantitative Ability Questions | CAT Number System questions
CAT/2003
Question . 108
The number of positive integers n in the range 12 ≤ n ≤ 40 such that the product (n-1)(n-2).....3.2.1 is not divisible by n is
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Explanatory Answer
Method of solving this CAT Quantitative Ability Question from Number System question
(b) Consider the prime numbers between 12 and 40, which are 13, 17, 19, 23, 29, 31 and 37.
Given product is not divisible by these 7 prime numbers.