CAT Quantitative Ability Questions | CAT Number System questions
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Explanatory Answer
Method of solving this CAT Quantitative Ability Question from Number System question
(c) N = 1421 × 1423 × 1425, when these numbers are divided by 12 we have remainders as 5, 7, 9.
The product of remainders when divided by 12 gives 3 as its remainder. Thus when N divided by 12 remainder is 3