Question

25 pumps can empty a reservoir in 18 hours in how many hours can 45 such pumps do the same wwork

Answer 1

Answer:

$5.33 \: hours$

Step-by-step explanation:

20 pumps can empty a reservoir in 12 hrs.

1 pump an empty a reservoir in = 20×12.

Now,20×12/45= 5.33.

→ SO,45 PUMPS WILL DO THE SAME WORK IN 5.33HRS.

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