Question of the Day

October 26, 2014 achieverspointniteesh Ivy Zone

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

A. 1 hr 20 min

B. 4 hr

C. 3 hr

D. 2 hr 40 min

E. 5 hrs

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