Math, asked by nirakhi2729, 10 months ago

A tap can fill a tank in 3 hours. A hole in the tank can empty it in 4 hours. How much time is required to fill this tank

Answers

Answered by nigam708
3

Answer:

21 hrs

Step-by-step explanation:

A's efficiency is 7 units/hr

A's efficiency after leakage 6 units/hr

Leakage efficiency = 7−6=1units/hour

Leakage will empty the fully filled tank:

T.Cefiiciency=211=21hrs

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