1.

A tap can fill a cistern in 8 hours. After half the tank is full, four more identical taps of the same type are opened. What is the total time taken to fill the tank completely?

A. 4 घंटे 46 मिनट
B. 4 घंटे 48 मिनट
C. 4घंटे 38 मिनट
D. 4 घंटे 30 मिनट
Answer» B. 4 घंटे 48 मिनट


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