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## What are Sufficient but not Necessary Conditions?

A 12 minute readIn GMAT CR, connectives like “if….then”, “whenever”, “anytime”, etc.,  imply the presence of a condition or a requirement. Confusion is created when we do not have clarity about what kind of a condition these connectives represent. In our previous article, we have already discussed the nature of – a necessaryRead more…

## GMAT Critical Reasoning Necessary vs Sufficient Conditions

A 11 minute readIn GMAT Critical Reasoning, Necessary vs Sufficient condition questions are considered to be among the trickiest ones. These GMAT Critical Reasoning questions will present you with so subtle and elegantly woven pitfalls that to an untrained eye they would look like obvious clues to the answer. In this article, we’ll focusRead more…

## GMAT Critical Reasoning – Video Lesson

A 2 minute readIf you’re wondering how to master GMAT Critical Reasoning, you’ve landed on the right page. At e-GMAT, we conduct Free Webinars every weekend to help the GMAT Aspirants plan and define their preparation. The recording below is that of the Session on “Master Pre-thinking in GMAT Critical Reasoning”. You canRead more…

## Sampling in CR Questions

A 11 minute read    Introduction The objective of this article is to introduce a concept of statistics, which has been tested a number of times in the GMAT Critical Reasoning section and to use this concept to solve official CR arguments. Even though the concept is fairly simple to understand and apply,Read more…

## A PRIMER ON VARIANCE ANALYSIS

A 7 minute read  Variance analysis is a sure shot test to verify that you have chosen the correct answer for “Evaluate the argument” question types. In this article, we will discuss the theory of Variance analysis, talk about how to apply the test through various examples, and solve multiple exercise questions. WhatRead more…

## Alternate Cause – A weakener or not

A 8 minute readIntroduction Almost all of us would have heard of causal arguments and most of us would also know the common weakener categories for such arguments. For example: one of the common weakeners is the one which suggests an alternate cause for the effect. Still, at times, we find that theseRead more…

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