Two pies A and B can fill a tank in 30 minutes and 45 minutes respectively. Both pipes are opened. The tank will be fil

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Q 2403601548.     Two pies A and B can fill a tank in 30 minutes and 45 minutes respectively. Both pipes are opened. The tank will be filled
in just 20 minutes, if the pipe B is turned off after :
RRB-CLERK 2016 Mains 2001
A

10 minutes

B

18 minutes

C

8 minutes

D

15 minutes

E

None of these

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

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