If 20 men can build a wall 56 metres long in 6 day what length of a similar wall can be built by 35 men in 3 days?

If 20 men can build a wall 56 metres long in 6 days what length of a similar wall can be built by 35 men in 3 days?

20 men can build 56 m wall in 6 days. What length of a similar wall can be build by 70 men in 3 days ?

40 men can build a wall 200 m long in 12 days, working 8 h a day. What will be the number of days that 30 men will take to build a similar wall 300 m long, working 6 h per day

40 men can build a wall 200 m longin 12 days working 8 h a day. The number of days 30 men will take to build a similar wall 300 m long working 6h per day will be (A) 32 (B) 18 (C) 36 (D) 9

If 5 men can build a wall in 12 days, how many men can build it in 10 days?

30 men can build a wall in 50 days. How many more men are required to build another wall, double in size,in 75 days?