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GMATLiveTeach Starts Oct 17
Chris Peckover, Target Test Prep GMAT expert
LIVE ONLINE CLASSES

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with Chris Peckover, 100th-Percentile GMAT Scorer

Oct 17 · Chris Peckover
Sat · 11:00 AM to 2:00 PM ET
Oct 20 · Chris Peckover
Tue, Thu · 8:00 to 10:00 PM ET
Oct 25 · Josh Braslow
Sun · 1:00 to 4:00 PM ET
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40 hours of live online classes + 6 months of TTP OnDemand
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EXECUTIVE ASSESSMENT

Target Test Prep EA OnDemand

Self-paced EA prep. Study on your schedule.

Logan Thompson
EXECUTIVE ASSESSMENT

Sep 6 to Dec 6, 2026

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165+ EA score guarantee
$05-day trial no automatic billing
Schedule
Sun · 9:30 AM to 12:30 PM ET
Included
40 hours of live online classes plus six months of access to the complete TTP EA OnDemand course.
  • 165+ EA Score Guarantee
  • 4,100+ Quant, Verbal, and Integrated Reasoning practice questions
  • 400+ hours of in-depth video lessons
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Target Test Prep GMAT OnDemand

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715+ score guarantee
$0to start then $127/mo
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Expert replies
Source: — Problem Solving |

by preetha_85 » Sun Jul 27, 2008 6:10 am
Hi

Assume that the 1st pump fills xltres/hr.
then the 2nd pump will fill at 1.5lit/hr.

In 4 hrs they will 10x lit.
If only the 2nd pump works it will take a time of 10x/1.5x =20/3.
Is tat the OA ?
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by sudhir3127 » Sun Jul 27, 2008 6:23 am
My answer is 20/3 as well...
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by elimenda » Sun Jul 27, 2008 7:09 am
yes it is,

tks for the explanation!!
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