10persons can fill up a water tank in 20 hours How many persons are
needed to fill it up in 5 hours??
Answers
Answered by
1
In 20 hrs a tank is filled by 10 person
In 1 hrs ---------------------------10×20
In 5hrs----------------------------- 10×20/5 =40 hours.
Answered by
0
Answer:
it takes 40 man to fil the tank
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