Sunday, June 14, 2009

Problem 49 - GMAT Work

Machine A can manufacture 1200 widgets in 4 hours and Machine B can manufacture the same number of widgets in 5 hours. After working together at their respective rates for 2 hours in order to fill a 1200 widget lot, what fraction of the lot still remains to be manufactured?



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4 comments:

  1. AnonymousJune 15, 2009 at 4:45 PM

    Typical problem in the GMAT today, they give you unnecessary data.

    ReplyDelete
  2. AnonymousSeptember 23, 2009 at 8:45 PM

    answer A

    ReplyDelete
  3. Bhushan S.October 5, 2009 at 2:18 AM

    m/c A rate of work = 1/4
    m/c B rate of work = 1/5
    together A + B = 9/20 per hourly rate
    in 2 hrs = 18/20
    remaining work = 2/20 = 1/10 ..OA A

    ReplyDelete
  4. AnonymousNovember 9, 2009 at 5:01 PM

    There is nothing unnecessary data here

    ReplyDelete

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