A contractor undertakes to built a walls in 50 days. He employs 50 peoples for the same. However after 25 days he finds that only 40% of the work is complete. How many more man need to be employed to complete the work in time? Choose the correct answer:
A) 25  B) 30  C) 35  D) 20  E) None of these
50 men complete 0.4 work in 25 days.   25pplying the work rule, m1 × d1 × w2 = m2 × d2 × w1   we have,   50 × 25 × 0.6 = m2 × 25 × 0.4   or m2 = 50×25×0.6/25×0.4 = 75 men   25nswer25
<result>A</result>
A contractor undertakes to built a walls in 50 days. He employs 50 peoples for the same. However after 25 days he finds that only 40% of the work is complete. How many more man need to be employed to complete the work in time?