A contractor agreeing to finish a work in 150 days, employed 75 men each
working 8 hours daily. After 90 days, only 2/7 of the work was completed.
Increasing the number of men by ________ each working now for 10 hours
daily, the work can be completed in time.
working 8 hours daily. After 90 days, only 2/7 of the work was completed.
Increasing the number of men by ________ each working now for 10 hours
daily, the work can be completed in time.
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