Time and Work – Multiple Choice Questions (MCQs)

1. A can do a piece of work in 10 days and B can do it in 15 days. How many days will they take to complete the work together?
- A. 5 days
- B. 6 days
- C. 8 days
- D. 12 days
2. If A and B together can complete a work in 8 days, and A alone can do it in 12 days, then B alone can do it in:
- A. 16 days
- B. 20 days
- C. 24 days
- D. 30 days
3. P can complete a job in 20 days, and Q can complete the same job in 30 days. If they work together, in how many days can they finish the job?
- A. 10 days
- B. 12 days
- C. 12.5 days
- D. 15 days
4. Raju can do a piece of work in 25 days, and Sanju can do the same work in 20 days. They work together for 5 days. How much of the work is completed?
- A. 1/4
- B. 9/20
- C. 1/5
- D. 3/4
5. A can do a work in 36 days and B can do it in 45 days. If they work together for 9 days, then the remaining work is:
- A. 1/4
- B. 1/5
- C. 7/20
- D. 11/20
6. If 10 men can do a piece of work in 6 days, how many men are needed to complete the same work in 4 days?
- A. 8 men
- B. 12 men
- C. 15 men
- D. 18 men
7. A and B can complete a work in 15 days and 10 days respectively. They started working together but after 2 days, B had to leave. In how many more days will A complete the remaining work?
- A. 8 days
- B. 10 days
- C. 12 days
- D. 14 days
8. P, Q, and R can complete a work in 10, 12, and 15 days respectively. If they work together, in how many days will the work be completed?
- A. 4 days
- B. 5 days
- C. 6 days
- D. 8 days
9. 20 women can complete a piece of work in 16 days. 16 men can complete the same work in 15 days. What is the ratio of the efficiency of a man to that of a woman?
- A. 3:4
- B. 4:3
- C. 5:3
- D. 3:5
10. A can do 1/3 of a work in 5 days and B can do 2/5 of the work in 10 days. In how many days can both together do the work?
- A. 7 1/2 days
- B. 8 days
- C. 9 days
- D. 10 days
11. If 8 men or 12 boys can do a piece of work in 16 days, how long will 20 men and 6 boys take to do the same work?
- A. 4 days
- B. 6 days
- C. 8 days
- D. 10 days
12. A and B undertake to do a piece of work for ? 600. A alone can do it in 12 days while B alone can do it in 15 days. With the help of C, they finish it in 5 days. Find the share of C.
- A. ? 100
- B. ? 120
- C. ? 150
- D. ? 200

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AllInfoHub – MCQ Practice

Time and Work – Multiple Choice Questions (MCQs)

1. A can do a piece of work in 10 days and B can do it in 15 days. How many days will they take to complete the work together?

2. If A and B together can complete a work in 8 days, and A alone can do it in 12 days, then B alone can do it in:

3. P can complete a job in 20 days, and Q can complete the same job in 30 days. If they work together, in how many days can they finish the job?

4. Raju can do a piece of work in 25 days, and Sanju can do the same work in 20 days. They work together for 5 days. How much of the work is completed?

5. A can do a work in 36 days and B can do it in 45 days. If they work together for 9 days, then the remaining work is:

6. If 10 men can do a piece of work in 6 days, how many men are needed to complete the same work in 4 days?

7. A and B can complete a work in 15 days and 10 days respectively. They started working together but after 2 days, B had to leave. In how many more days will A complete the remaining work?

8. P, Q, and R can complete a work in 10, 12, and 15 days respectively. If they work together, in how many days will the work be completed?

9. 20 women can complete a piece of work in 16 days. 16 men can complete the same work in 15 days. What is the ratio of the efficiency of a man to that of a woman?

10. A can do 1/3 of a work in 5 days and B can do 2/5 of the work in 10 days. In how many days can both together do the work?

11. If 8 men or 12 boys can do a piece of work in 16 days, how long will 20 men and 6 boys take to do the same work?

12. A and B undertake to do a piece of work for ? 600. A alone can do it in 12 days while B alone can do it in 15 days. With the help of C, they finish it in 5 days. Find the share of C.

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