Question

210 men's working 12 hours a day can finish a job in 18 days.how many men are required to finish the job in 20 days working, 14 hours a day

Answer 1

The number of main required is 162.

• Given data :

210 men can finish the job by working for 12 hours per day for 18 days.

New deadline of the work is 14 hours per day for 20 days.

• Now,

In 12 hours for 18 days = 210 men

In 1 hour for 18 days = 210×12 men (inverse relationship)

In 1 hour for 1 day = 210×12×18 men (inverse relationship)

In 14 hours for 1 day = (210×12×18)/14 men (inverse relationship)

In 14 hours for 20 days = (210×12×18)/14×20 = 162 men

So, 162 men will be required for finishing the job in the given deadline. (Answer)