Math, asked by sashi1611, 10 months ago

If one pipe can fill a cistern in 12 hours in how much time will the Empty cistern be filled if three such pipes are open at the same time

Answers

Answered by harsh15044

8

Step-by-step explanation:

work done by pipe in 1 hour=1/12

work done by 3 pipe in 1 hour = 1/4

so time taken to fill the empty cistern by three pipes = 4 hours.

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