Math, asked by fatimatulzahra192, 10 months ago

A tank can be filled by a big pump in 20 hours and by a small pump in 80 hours. How long will it take to fill the tank by both pumps together?

Answers

Answered by mathurparul2010
2

Answer:

answer may be 4 hours

Step-by-step explanation:

80/20=4

Answered by rizwananis02
0

Answer:

100 hrs will take time to fill tank

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