A contractor employee 100 labours to finish a construction
work in 40 days. After 35 days he employed 180 extra men
and therefore the work was finished on correct time. If he
did not do it then by how many days the work would be
delayed?
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Step-by-step explanation:
The required work is to be done in 60 days. But the 30 workers completed 25% of work in 20 days. Therefore
The completed part of work = 25%
The completed work units = 30*20 =600
So 25% of work = 600 units
Total work =2400 units
So to complete the work in time = 40 days to complete the work
Required work units to complete =2400–600
=1800 units.
No of men required to complete 1800 units of work in 40 days = 1800÷40
=45
We have already 30 men. the more men required =45-30=15
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