Four workers can build a house in 9 days. How many days would it takes 3 workers to build the same house?

4 men can build a small house in 12 days. How long would it take for 6 men to build the same house? A. 9 days B. 8 days C. 8.1 days D. 8.2 days

24 workers can build a wall in 15 days. How many days will 9 workers take to build a similar wall?

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?

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)

If 24 workers can build a wall in 15 days, how many days will 8 workers take to build a similar wall?

14 workers can build a wall in 42 days. One worker can build it in

Four persons can build a wall in 12 days . How many persons will be required to build the same will in 8 days.

If 7 workers can assemble a car in 8 hours, how long would it take 12 workers to assemble the same car?

Type 1 workers are two-and-a-half times as efficient as Type 2 workers. If 12 Type 1 workers can complete a task in 10 days. How many days would it take 6 Type 1 and 10 Type 2 workers to complete the same task.

Type-1 workers are 2.25 times as efficient as Type-2 workers. 30 Type-1 workers can do a piece of work in 6.4 days. How many days would it have taken 4 Type-1 and 15 Type-2 workers to do the same work?