28 pumps can empty a reservoir in 18 hours in how many hours can 42 such pumps do the same work
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no.of pumps = 28
time taken to empty the reservoir = 18 hrs.
Time taken to empty the reservoir in 1 hr = 28/18
= 1.5 hrs.
no. of pumps = 42
time taken to empty the reservoir by 42 pumps = 1.5 × 42
= 63 hrs //.
hope the answer will be helpful to you .
THANK YOU!
time taken to empty the reservoir = 18 hrs.
Time taken to empty the reservoir in 1 hr = 28/18
= 1.5 hrs.
no. of pumps = 42
time taken to empty the reservoir by 42 pumps = 1.5 × 42
= 63 hrs //.
hope the answer will be helpful to you .
THANK YOU!
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