If 8 men, working 9 hours a day can build a wall 18 metres long 2 metres broad and 12 metres high in 10 days. How many men will be required to build a wall 32 metres long, 3 metres broad and 9 metres high,by working 6 hours a day 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 ?

5 men working 8 hours a day can completely build a wall of length 20 metres, breadth 1/4 metre and height 6 metres in 3 days. How many days will 8 men working 6 hours a day require to build a wall of length 120 meters, breadth 1/2 metre and height 4 metres.

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

A wall of 100 metres can be built by 7 men or 10 women in 10 days. How many days will 14 men and 20 women take to build a wall of 600 metres ?

15 men can build a 16.25 -m- long wall up to a certainj height in one day. How many men should be employed to build a wall of the same height but of length 26 metres in one day?

What is the length (in metres) of the longest rod that can be placed in a room which is 2 metres long, 2 metres broad and 6 metres high?