12 painters can paint a wall of 180 m long in 3 days. How many painters are required to paint 200 m long wall in 5 days?

175 men can dig a canal 3150 m long in 36 days. How many men are required to dig a canal 3900 m long in 24 days?

10 men can lay a road 75 km long in 5 days.. In how many, days can 15 men lay a road 45 km long?

If 15 workers can build a Wall in 48 hrs, how many workers will be Required to do the same work in 30 hrs?

If 36 workers can build a wall in 12 days, how many days will 16 workers take to build the same wall ? (assuming the number of working hours per day is constant)

A and B together can finish a piece of work in 12 days. If 'A' alone can finish the same work in 20 days, how many days B alone can finish it ?

36 men can do a piece of work in 12 days. In how many days 9 men can do the same work?

Vinay and Praveen working together can paint the exterior of a house in 6 days. vinay by himself can complete the job in 5 days less than Praveen. How long will it take Vinay to complete the job?

If a mason worked 100 hours in 12.5 days to construct a wall then how many hours he totally worked in a day?

30 labourers can built a wall in 9 days. If the same wall is to be built by 20 labourers how many days they will take to complete it?