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Pipes And Cisterns
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15
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➤ Pipes And Cisterns ➤ 1
Question 1
Q1.
A large tanker can be filled by two pipes A and B in 60 minutes and 40 minutes respectively. How many minutes will it take to fill the tanker from empty state if B is used for half the time and A and B fill it together for the other half?
15 min
20 min
28.5 min
30 min
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