2 painter takes 2 hours to Paint 2 rooms means, 1 painter takes 2 hours to paint 1 room. So in 6 hours 1 painter can paint 3 rooms. So to paint 18 rooms in 6 hours 6 painters are needed.
Answer is 6 Painters take 6 hours to paint 18 rooms
If 2 workers can complete painting 2 walls in exactly 2 hours.
How many workers would be needed to paint 18 walls in 6 hours?
Pipe A can fill a cistern in 4 hours while pipe B can empty it in 6 hours. If both of them are opened together at the same time when the tank is empty, then how many hours would be taken by them to fill it?
A alone would take 4 hours more to complete a job than both A and B would together. If B worked alone, he took 9 hours more to complete it than both A and B worked together. What time would they take if both worked together?
If 15 men take 21 days of 8 hours each to do a piece of work. How many days of 6 hours each would 21 women take, if 3 women do as much work as 2 men?
