40 men can catch 200 sharks in 20 days working 6 hours a day. in how many days 25 men can catch 300 sharks working 4 hours a day?

12 men can make 80 tables in 20 days working 8 hours a day. In how many days 30 men can make 120 tables working 6 hours a day? (a)16 (b)23 (c)13 (D)15

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 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?

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?

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?

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?

If 25 men can do a piece of work in 36 days working 10 hours a day, then how many men are required to complete the work working 6 hours a day in 20 days?

5 men can prepare 150 toys in 5 days working 6 hours a day. In how many hours 10 boys can prepare 200 toys in 10 days, if a man works thrice as fast as a boy?