Ayesha can complete a piece of work in 16 days. Amita can complete the same piece of work in 8 days. If both of them wor…

Three taps A, B and C together can fill an empty cistern in 10 minutes. The tap A alone can fill it in 30 minutes and th…

Two pipes A and B can fill a tank in 36 min. and 45 min. respectively. Another pipe C can empty the tank in 30 min. Firs…

A can build a wall in the same time in which B and C together can do it. If A and B together can do it. If A and B toget…

A group of workers was put on a job. From second day onwards, one worker was withdrawn each day. The job was finished wh…

Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hour…

Working together B and C take 50% more number of days than A, B and C together take and A and B working together, take …

A takes 10 days less than the time taken by B to finish a piece of work. If both A and B can do it in 12 days, then the …