Math, asked by pon2005, 1 year ago

Pipes A in 30 minutes pipe B fillsb in 40 minutes pipe C in 60 minutes how long will it take to fill the tank is the pipes are opens together ?

Answers

Answered by mukesh777

0

all fill together = 120 ÷(4+3+2)= 120÷9

= 13and 1/3 min

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