offers hundreds of practice questions and video explanations. Go there now.

Sign up or log in to Magoosh GRE Prep.

GRE Math Work Rate: Practice Question of the Week #29

Here’s this week’s practice question– we’ll be posting the answer and explanation tomorrow, good luck!

Pump A can empty a pool in A minutes, and pump B can empty the same pool in B minutes. Pump A begins emptying the pool for 1 minute before pump B joins. Beginning from the time pump A starts, how many minutes will it take to empty the pool?

Update: Here’s the answer/explanation post!

Magoosh students score 12 points better than average on the GRE. Click here to  learn more!

Most Popular Resources

3 Responses to GRE Math Work Rate: Practice Question of the Week #29

  1. akshay December 13, 2011 at 7:25 am #

    yes its B …got it at last ….intriguing, how simple problems in life seem daunting …

  2. Sam December 13, 2011 at 7:07 am #


  3. elenad3d December 12, 2011 at 2:37 pm #


Magoosh blog comment policy: To create the best experience for our readers, we will only approve comments that are relevant to the article, general enough to be helpful to other students, concise, and well-written! 😄 Due to the high volume of comments across all of our blogs, we cannot promise that all comments will receive responses from our instructors.

We highly encourage students to help each other out and respond to other students' comments if you can!

If you are a Premium Magoosh student and would like more personalized service from our instructors, you can use the Help tab on the Magoosh dashboard. Thanks!