18 men can construct 200 m long wall in 16 days working 9 hours per day. In how many days can 36men construct 500 m long wall working 6 hours per day?

300 men can construct a200m long wall in 12 days working 8 hours a day. In how many days can 120 men construct 180 m long wall working 9 hours per day?

Eight men can dig a field 14 days,working 6 hours a day. In how many days can 7 men dig the same field, working 8 hours a day ?

If 10 men can complete a piece of work in 12 days by working 7 hours a day, then in how many days can 14 mendo the same work by working 6 hours a day?

If 4 men can reap a field in 5 days working 12 hours a day, in how many days can 10 men reap the same field working 8 hours a day?

If M1 men can do W1 work in D1 days working H1 hours per day and M2 men can do W2 work in D2 days working H2 hours per day then

If 15 men can complete a work in 16 days by working 8 hours daily, then in how many days will 10 men complete the work by working 12 hours daily?

40 men can build a wall 200 m longin 12 days working 8 h a day. The number of days 30 men will take to build a similar wall 300 m long working 6h per day will be (A) 32 (B) 18 (C) 36 (D) 9

Fifteen men can complete a piece of work in 10 days, working 8 hours per day. How many persons are required to complete double the work in 25 days, working 6 hours per day ?

Fifteen men can complete a piece of work in 10 days, working 8 hours per day. How many persons are required to complete double the work in 25 days, working 6 hours per day ?