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3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a
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Topic: 3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a (Read 289 times)
mechanic
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Hero Engineer
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3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a
«
on:
May 21, 2017, 03:56:10 PM »
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Question
: 3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?
Options are
:
A. 9
B. 10
C. 11
D. 12
Correct answer is:
D. 12
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3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a
«
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May 21, 2017, 03:56:10 PM »
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1
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Engineering Forum
»
EDUCATION
»
Entry Test MCQ's
»
3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a