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gmat prep... goodie..

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gmat prep... goodie..

by btgyes » Sat Feb 12, 2011 9:51 pm
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by maihuna » Sat Feb 12, 2011 10:09 pm
Total gallon : 10/25 + 50/40 = 0.4+1.25 = 1.65 ltr
Total dist : 60

Avg : 60/1.65 = 6000/165 = 400/11
Charged up again to beat the beast :)
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by maihuna » Sat Feb 12, 2011 10:10 pm
i.e E, 38
Charged up again to beat the beast :)
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by Night reader » Sat Feb 12, 2011 10:27 pm
10/25 +50/40= 2/5 + 5/4= 33/20
60 : 33/20= 60*20/33= 20*20/11= 400/11 --> 36*11(360+36)
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by banibhusan » Sun Feb 13, 2011 2:45 am
maihuna wrote:i.e E, 38
Answer would be D. Because 400/11 is approx 36.44
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by alltimeacheiver » Mon Feb 14, 2011 4:52 am
how do we got 60 miles from second method as mentioned in second reply by night reader
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