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A tank has two pipes. The first pipe can...

A tank has two pipes. The first pipe can fill it in 4 hours and the second can empty it in 16 hours.If two pipes be opened together at a time, then the tank will he filled in
एक टंकी में दो पाइप लगे हैं। पहला पाइप इसे 4 घंटे में भर सकता है और दूसरा इसे 16 घंटे में खाली कर सकता है। यदि दोनों पाइपों को एक ही समय पर एक पर साथ खोले जाए, तो टंकी कितने समय में भर जाएगा?

A

A)10 hours

B

B)`5 1/3` hours

C

C)`5 1/2` hours

D

D)6 hours

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CHAMPION PUBLICATION-2014 TIER-II PAPER(19)-EXERCISE
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