Question of the Day

October 24, 2014 achieverspointniteesh Ivy Zone

One pipe can fill a tank four times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in:

A. 180 min

B. 144 min.

C. 126 min

D. 114 min

E. 53 min

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