Quantitative Aptitude

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General Questions

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Question 776
Question 776 Back to Exercise
Three taps A, B and C can fill a tank in 12, 15 and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately, the tank will be full in:

A 6 hours
B 6(2/3) hours
C 7 hours Correct
D 7(1/2) hours
Correct Answer: Option C

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