6 pipes can fill a tank in 30 minutes. One pipe can fill ina)6 minsb) – InterviewSolution

1.

6 pipes can fill a tank in 30 minutes. One pipe can fill ina)6 minsb) 60 minutes c)15 MINUTESd)180 minutese) Other

Answer»

Answer:

Part of tank filled by all three pipes in 1 MINUTE

= 130+145−160=6+4−3180

= ∴Timetaken=1807minutes

= 1807×60=37hour

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