CAT 2019 Number System Question (Medium)

Question

What is the sum of integers from 113 to 113113, which are divisible by 7?

Optima Learn · Accepted Answer

Understanding The question asks for the sum of all integers from 113 to 113113 inclusive that are divisible by 7, which form an arithmetic progression AP . Analyzing The smallest multiple of 7 that is 113 is 119 7 17, since 113 7 16.14, so the next multiple up is 7 17 119 . Checking whether 113113 i

CAT 2019 Number System — Previous Year Question

CAT 2019

Quantitative

Number System

Medium

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