Question of the Day

October 25, 2014 achieverspointniteesh Ivy Zone

A tap can fill a tank in 4 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?

A. 3 hrs

B. 1 hrs 30 min

C. 2 hrs 30 min

D. 2 hrs

E. 5 hrs

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