If 40 men build 4 buildings in 12 months how many men would be required to build 6 houses in 4 months​

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

It is given that 16men working 18hr per day can build a wall 36m long, 4m broad and 24m high in 20 days . How many men will be required to build a wall 64 m long 6m broad and 18m high working 12hr per day in 16 days ?

If 14 workers can build a wall in 45 hours, how many workers will be required to do the same work in 35 hours?

If 15 workers can build a wall in 48 hours,how many workers will be required to do the same work in 30 hours?

If 72 men can build a wall of 280 m length in 21 days, how many men could take 18 days to build a similar type of wall of length 100 m?

If 40 men can finish a piece of work in 26 days, how many men will be required to finish it in 20 days?

40 men build a well 20 m high in 15 days. The number of men required to build a similar wall 25 m high in 6 days will be: