Source: Official Guide for GMAT Review 2016 Problem Solving; #2

21

1/3 + 1/2 - 5/6 + 1/5 + 1/4 - 9/20

1/3 + 1/2 - 5/6 + 1/5 + 1/4 - 9/20

1 Explanation

12

KAUSHAL BHATT

In this question, if you notice, there are clearly two parts.

The first 3 elements can be written as 2/6 + 3/6 - 5/6 and 4/20 + 5/20 - 9/20.

If we add the first 3 and the last 3, we end up with 0. They all cancel each other.

Oct 16, 2015 • Comment

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Official Guide for GMAT Review 2016

Official Guide for the GMAT 2015 14th Ed.

Official Guide for the GMAT 13th Ed.

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Official Guide for the GMAT 12th Ed.

Revised GRE PDF 2nd Ed.


Section 5.3 Problem Solving

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