Source: Official Guide for GMAT Review 2016 Problem Solving; #90

1

Yesterday's closing prices of 2,420 different stocks

Yesterday's closing prices of 2,420 different stocks listed on a certain stock exchange were all different from today's closing prices. The number of stocks that closed at a higher price today than yesterday was 20 percent greater than the number that closed at a lower price. How many of the stocks closed at a higher price today than yesterday?

2 Explanations

1

Parijat Sinha

I made two equations and solved:
H=1.2L
H+L=2420 and solved for H

Your thoughts pls. Thanks.

May 31, 2016 • Comment

Cydney Seigerman, Magoosh Tutor

Great job :) Your method is an efficient way to get you to the correct final answer :) Thanks for writing and happy studying :D

Jun 1, 2016 • Reply

1

Gravatar Mike McGarry, Magoosh Tutor

Aug 14, 2015 • Comment

Add Your Explanation

You must have a Magoosh account in order to leave an explanation.

Learn More About Magoosh

Official GMAT Material

Official Guide for GMAT Review 2016

Official Guide for the GMAT 2015 14th Ed.

Official Guide for the GMAT 13th Ed.

Nova's GRE Prep

Official Guide for the GMAT 12th Ed.

Revised GRE PDF 2nd Ed.


Section 5.3 Problem Solving

Improve Your Score

Magoosh GMAT is an affordable online course for studying the GMAT.

Learn More About Magoosh

Share Post

Email

Facebook