Answers

  • Brainly User
2014-03-25T14:46:25+05:30
3 pumps work for 8 hours everday and complete the work in 2 days
1 pump in 1 hr can finish  \frac{1}{48}th piece of work
so 4 pumps in one day can finish the work in x hours
 \frac{1}{4x}= \frac{1}{48}=   1 pump in 1 hr can finish
x= \frac{48}{4}=12
So 4 pumps in 12 hours can finsh the work



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