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If 15 workers can build a wall in 48 hou...

If 15 workers can build a wall in 48 hours, how many workers will berequired to do the same work in 30 hours?

Text Solution

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In 48 hrs, the wall is built by 15 workers In 48 hrs,
Thus, in 30 hrs, the wall will be built by
`15×48/30` workers
=24 workers
...
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