Pipe A can fill the tank 5 times faster than pipe B, if pipe A and B together fill the tank in 50 minutes, then pipe B alone can fill the tank in:
A can do a piece of work in 15 days while B can do it in 18 days. Starting with A, they work on alternate days till the work gets over. How many days i...
A, B and C can do a job working alone in 50, 75 and 20 days respectively. They all work together for 4 days, then C quits. How many days will A and B ta...
If 12 persons working 12 hours a day dig 12 meters of a tunnel in 12 days how many men are required to dig additional 4 meter of the tunnel (of the same...
A contractor assigned a job to three persons A, B and C. ‘A’ which is 25% less efficient than ‘B’ can complete 20% of a work in 8 days. ‘C’ ...
A can do 50% of the job in 16 days, B can do 1/4th of the job in 24 days. In how many days can they do 3/4th of the job working together?
A person from the top of a hill observes a vehicle moving towards him at a uniform speed. It takes 10 minutes for the angle of depression to change from...
A and B can complete a work in 40 and 60 days respectively. They started a work which is to be completed in 20 days. But it was found that they are lagg...
A motorboat whose speed is 20 km/h in still water takes 30 minutes more to go 24 km upstream than to cover the same distance downstream. If the speed of...
Working alone, B can complete the work in 20 days. C is twice as efficient as B and A takes 2 days more than it takes C to complete the work. Working to...
