CSAT Practice Questions – Work and Time – Quiz 1

1. A can do a job is 20 days. If B is twice as efficient as A, how many days will it take to complete three times the job if A and B work together?

2. A, B and C alone can do a particular work in 12, 15 and 20 days respectively. A alone works for first 5 days. Then A left and B and C together completed the remaining work. How many days was taken in total to complete the work?

3. 12 men and 12 women can do a piece of work in 12 days. If women are more efficient than men, in how many days will 18 men and 6 women will do the same piece of work?

4. Pipe A can fill a tank is 3 hours. Pipe B can fill the tank in 4 hours. Pipe C is an outflow pipe and it can empty the tank in 6 hours. If all these pipes are opened together at 10:00 AM, when will the tank be completely filled?

5. 20 women can complete a job in 10 days. It takes 30 men to complete the same job in 10 days. Then how many days will it take for 10 women and 10 men to complete the job?

6. A man completes 3/5 of a job in 27 days. Then how many days will it take for him to complete two times the job?

7. A is thrice as efficient compared to B. When A and B work together they complete a job in 12 days. How many days will it take for A to complete the job alone?