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#1 2015-05-23 06:17:59
Empty Tank:
Question:
3 pumps work for 8 hours a day and empty the tank in 2 days. How many hours should 4 pumps work in a day to empty the tank in just 1 day?
Option A):
14
Option B):
9
Option C):
12
Option D):
10
Correct Answer is Option C):
12
Failure is the first step towards seccess.
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2015-05-23 06:17:59
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Re: Empty Tank:
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