Question of the Day

October 19, 2014 achieverspointniteesh Ivy Zone

Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately?

A. 6 hours

B. 2 hours

C. 4 hours

D. 3 hours

E. 9 hours


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