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- Question
Working 7 hours in a day, 4 men can do a piece of work in 8 days. Working 8 hours in a day, the required number of men to perform the same work in 4 days will be
Options- A. 8
- B. 4
- C. 7
- D. 9
- Correct Answer
- 7
- 1. P can do (1/4)th of work in 10 days, Q can do 40% of work in 40 days and R can do (1/3)rd of work in 13 days. Who will complete the work first?
Options- A. P
- B. Q
- C. R
- D. Both P and R Discuss
- 2. Three electronic devices make a beep after every 48 sec, 72 sec and 108 sec respectively. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest is
Options- A. 10:07:12 hrs
- B. 10:07:24 hrs
- C. 10:07:36 hrs
- D. 10:07:48 hrs Discuss
- 3. An hour-long test has 60 problems. If a student completes 30 problems in 25 minutes, then the required seconds he has taken on average for computing each of the remaining problems is
Options- A. 70 seconds
- B. 50 seconds
- C. 40 seconds
- D. 30 seconds Discuss
- 4. A can do a piece of work in 10 days and B can do it in 12 days. They work together for 3 days. Then B leaves and A alone continues. 2 days after that C joins and the work is completed in 2 days more. In how many days can C do it, if he works alone ?
Options- A. 30 days
- B. 50 days
- C. 40 days
- D. 60 days Discuss
- 5. A can do as much work in 4 days as B can do in 5, and B can do as much work in 6 days as C in 7. In what time will C do a piece of work which A can do in a week ?
Options- A. 10 5/24 days
- B. 4 4/5 days
- C. 6 8/15 days
- D. 12 6/19 days Discuss
- 6. The time taken by 4 men to complete a job is double the time taken by 5 children to complete the same job. Each man is twice as fast as a woman. How long will 12 men, 10 children and 8 women take to complete a job, given that a child would finish the job in 20 days.
Options- A. 4 Days
- B. 3 Days
- C. 2 Days
- D. 1 Day Discuss
- 7. A and B together can complete a piece of work in 12 days. They worked together for 5 days and then A alone finished the rest work in 14 days. A alone can complete the work in _____.
Options- A. 24 days
- B. 22 days
- C. 20 days
- D. 18 days Discuss
- 8. A can do a work in 21 days and B in 42 days. If they work on it together for 7 days, then what fraction of work is left?
Options- A. 1/3
- B. 1/4
- C. 2/3
- D. 1/2 Discuss
- 9. A can paint a house in 55 days and B can do it in 66 days. Along with C, they did the job in 12 days only. Then, C alone can do the job in how many days?
Options- A. 24
- B. 44
- C. 33
- D. 20 Discuss
- 10. A, B and C can together do a job in 9 days. C alone can do the job in 36 days. In how many days can A and B do 50% of the job working together?
Options- A. 6
- B. 12
- C. 9
- D. 15 Discuss
Time and Work problems
Search Results
Correct Answer: R
Correct Answer: 10:07:12 hrs
Correct Answer: 70 seconds
Correct Answer: 40 days
Correct Answer: 10 5/24 days
Correct Answer: 1 Day
Correct Answer: 24 days
Correct Answer: 1/2
Correct Answer: 20
Correct Answer: 6
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