Payal Tandon
Co-founder, e-GMAT
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difference between permutation and combination

Difference between Permutation and Combination explained with examples

Permutations and Combinations is a topic full of conundrums. The biggest one is, understanding the difference between permutation and combination. Should I solve this...
permutation and combination gmat quant

Permutation and Combination | Avoid these 3 Mistakes | GMAT Quant

Like any GMAT Quant topic, Permutation and Combination has its own traps. Most students fall in these traps and ultimately, are not able to secure their target GMAT score....
gmat-permutation-combination-gmat-quant

GMAT Permutation and Combination | When to Add and Multiply

Are you always confused whether to add or multiply the cases while solving GMAT permutation and combination questions? Do you often get questions incorrect simply because...
What and how to negate

Negation Test – What and How to Negate – GMAT Verbal

The purpose of this article is to help you think about negating statements so that you can apply the negation test for CR assumption questions. In...

How to prethink assumptions in GMAT Critical Reasoning

Argument: In their annual report, Comscore suggested that iPhone’s share of the US smartphone market dipped from 18% in 2012 to 12% in 2013. The...
GMAT Critical Reasoning Overview

GMAT Critical Reasoning – What it tests + Sample Practice CR Questions

This article provides a complete overview of the GMAT CR. You will learn everything you need to know about GMAT Critical Reasoning (or GMAT Logical...
what are sufficient but not necessary conditions

What are Sufficient but not Necessary Conditions?

In GMAT CR, connectives like “if….then”, “whenever”, “anytime”, etc.,  imply the presence of a condition or a requirement. Confusion is created...
GMAT Critical Reasoning | Necessary but not sufficient condition

GMAT Critical Reasoning Necessary vs Sufficient Conditions

In GMAT Critical Reasoning, Necessary vs Sufficient condition questions are considered to be among the trickiest ones. These GMAT Critical Reasoning...

Category: GMAT CR

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