Work/Rate Problems

This topic has expert replies
Legendary Member
Posts: 2218
Joined: Sun Oct 29, 2017 2:04 pm
Followed by:6 members

Work/Rate Problems

by swerve » Thu Jun 17, 2021 6:55 am

Timer

00:00

Your Answer

A

B

C

D

E

Global Stats

A small water pump would take 2 hours to fill an empty tank. A larger pump would take 1/2 hour to fill the same tank. How many hours would it take both pumps, working at their respective constant rates, to fill the empty tank if they began pumping at the same time?

A. 1/4
B. 1/3
C. 2/5
D. 5/4
E. 3/2

The OA is C

Source: GMAT Prep