Question

If 15 workes can build a wall in 48 hours how many workers are needed to build the same wall in 30 hours

Answer 1

Given

M1=15 workers

Time =48hr

In second case

Time =30 hr

Using

M1H1=M2H2

15x48=M2x30

M2=15x48/30

M2=24 workers

Ans is 24 workers are needed to build it in 30 hr

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