A large tanker can be filled by two pipes A and B in 60 minutes and 40 minutes respectively. How many minutes will it ta

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Q 1404501458.     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?
A

15 min

B

20 min

C

27.5 min

D

30 min

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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