Question

12 pumps empty a reservoir in 20 hours.Then the time taken by 40 pumps to empty the same reservoir = _______ hr

Answer 1

Answer:

Given:-

12 pumps empty the reservoir in 20 hours

_________________________

12 pumps =20hours

45 pumps =y hours

_________________________

So there is a inverse relation between them

Have to find :-

In how many hours 45 pumps empty the reservoir

=>Now we have to find the how many hours are requiered to empty the tank in 45 pumps

45 pumps can empty the same reservoir in 5.33 hours

55 x x=12x20hours

y=240/45hours

45pumps=5.53hours

Step-by-step explanation:

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