Two boys can paint a fence in 5 hours. How many hours would it take 3 boys to paint the same fence?

If m persons can paint a house in d days, how many days will it take for (m + 2) persons to paint the same house?

5 men can paint a hall in 18 hours. How many men will be able to paint it in 10 hours?

10 boys can dig a pitch in 12 hours. How long will 8 boys take to do it?

10 boys can dig a pitch in 12 hours. How long will 8 boys take to do it?

10 boys can dig a pitch in 12 hours. How long will 8 boys take to do it?

Sunny and Paula can complete a piece of work together in 12 hours. While Paula takes 18 hours to complete the work 2 alone, another individual, Jane, takes 45 hours to complete the same piece of work alone. How many hours would it take Sunny and Jane to complete the same work together ?

6 boys can complete a piece of work in 16 h . In how many will 8 boys complete the same work ?

3 men and 4 boys can do a piece of work in 14 days, while 4 men and 6 boys can do it in 10 days. How long would it take 1 boy to finish the work?

3 boys and 3 girls can complete a task in (6)/(5) hours. How many hours will 1 boy and 1 girl require to complete the task?