Math, asked by upadhyayarpit686, 4 months ago

A water tank has two inlets and one outlet. if the inlets fill the tank in 30 and 45 minutes respectively and the outlet empties it in 30 minutes , how much time will take it to fill the tank if all the inlets and outlets are opened together

Answers

Answered by siddharthsane

2

Answer:

sorry I didn't know

Step-by-step explanation:

I'm really sorry

Answered by hemang123singhalabc

0

Answer:

Step-by-step explanation:

inlet=20min=1/20 (A let)

outlet=40min=1/40 (B let)

hence, the work done by a&b

=a+b=1/20+(-1/40)=1/40

hence tank will get filled in 40 minutes.

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