Lesson 5 of 6 • 2 upvotes • 9:09mins

This lesson is on data sufficiency problems relating to ratios, proportions and variations asked in GMAT.Three types of commonly practiced questions are shown here.
6 lessons • 50m
Overview
6:41mins
Basics of Ratios, Proportions, and Variations
8:44mins
Ratios, Proportions and Variations: Problem Solving -1
9:02mins
Ratios, Proportions and Variations: Problem Solving -2
8:40mins
Ratios, Proportions and Variations: Data Sufficiency
9:09mins
Ratios Proportions and Variations: GMAT 650+
8:34mins