Bank Preparation
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Combined Bank
3 Combined Bank (Senior Officer 03-08-2018)
Pipes & Cisterns
3 Combined Bank (Senior Officer 03-08-2018)
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 ?
বিকল্পসমূহ (নিজের উত্তর যাচাই করতে ক্লিক করুন):
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