A water tank has two taps (Tap-1 and Tap-2) . Tap -1 can fill a tank in 8 hours and Tap-2 can empty the tank in 16 hours . How long will they take to fill the tank if both taps are opened simultaneously but Tap-2 is closed after 8 hours ?

Question

A water tank has two taps (Tap-1 and Tap-2)  . Tap -1 can fill a tank in 8 hours  and Tap-2 can empty the tank in 16 hours . How long will they  take to fill the tank if both taps are opened simultaneously but Tap-2 is closed after 8 hours ?

Accepted Answer

সঠিক উত্তর: 12। ব্যাখ্যা:

A water tank has two taps (Tap-1 and Tap-2) . Tap -1 can fill a tank in 8 hours and Tap-2 can empty the tank in 16 hours . How long will they take to fill the tank if both taps are opened simultaneously but Tap-2 is closed after 8 hours ?

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