Question

N overhead water tank can be filled in eight hours by five equal capacity pumps working together how many time will force such pump take it to fill it up

Answer 1

Step-by-step explanation:

let the volume of tank be V litres

It is given

5 pumps take 7 hours to fill V litres

That is

5 pumps will fill V litres 8n 7 hours

So,

5 pumps will fill (V/7) litres in 1 hour

1 pump will fill (V/7)/5) litres 8n 1 hour

1 pump will fill V/35 litres in 1 hour

So,

7 pumps will fill 7(V/35) litres in 1 hour

7 pumps will fill V/5 litres in 1 hour

7 pumps will fill 5 (V/5) litres in 5(1 hour)

7 pumps will fill V litres in 5 hour

Hope it helps

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Answer 2

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