provides a free introductory course for the GMAT. This guide is designed to get your math and verbal skills up to speed so that you can make the most from a classroom or online GMAT course.
5a1. Introduction to Numbers: GMAT Math Tutorials
1. Introduction to Numbers

Numbers are very deceptive. We all think that we know numbers very well. But numbers are complex and they are real. There are as many irrational ones as rational. Some of them are perfect and few others are polite.

These are logical questions. Ask these questions to the students. Give them 1 minute to think.

ยท A farmer has problems with mice eating his corn. He knows that five cats can kill five mice in five minutes. How many cats does he need to kill one hundred mice in one hundred minutes?

Answer: 5 cats.

GMAT(TM) and GMAT CAT (TM) are registered trademarks of the Graduate Management Admission Council(TM). The Graduate Management Admission Council(TM) does not endorse, nor is affiliated in any way with the owner or any content of this site.