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- Question
A canal of a village can be cleaned by 24 villagers in 12 days. The number of days in which 36 villagers can clean the canal is ?
Options- A. 18
- B. 8
- C. 72
- D. 16
- Correct Answer
- 8
- 1. A can do 75% of a job in 18 days and B can do 25% of the job in 12 days. If they work on it together, in how many days can they do 75% of the job?
Options- A. 16
- B. 8
- C. 20
- D. 12 Discuss
- 2. If A and B together do a job in 7.5 days and if A could do the job in 10 days if he worked alone. How many days would B take to do the job if he worked alone?
Options- A. 30
- B. 40
- C. 25
- D. 50 Discuss
- 3. A can do a piece of work in 10 days, B can do it in 12 days and C can do it in 15 days. In how many days will A, B and C finish it, working all together?
Options- A. 6 days
- B. 5 1/4 days
- C. 4 4/11 days
- D. 4 days Discuss
- 4. A and B undertake a piece of work for Rs. 250 . A alone can do that work in 5 days and B alone can do that work in 15 days . With the help of C, they finish the work in 3 days . If every one gets paid in proportion to work done by them, the amount C will get is
Options- A. Rs.50
- B. Rs.100
- C. Rs.150
- D. Rs.200 Discuss
- 5. The rate of working of A and B are in the ratio of 2:3. The number of days taken by them to finish the work is in the ratio:
Options- A. 2:3
- B. 4:9
- C. 3:2
- D. 9:4 Discuss
- 6. A and B can do a piece of work in 18 days, B and C in 24 days, A and C in 36 days. Working together they can do the work in
Options- A. 12 days
- B. 13 days
- C. 16 days
- D. 26 days Discuss
- 7. Ramesh and Rahman can do a work in 20 and 25 days respectively. After doing collectively 10 days of work, they leave the work due to illness and Suresh completes rest of the work in 3 days. How many days Suresh alone can take to complete the whole work ?
Options- A. 32 days
- B. 28 days
- C. 29 days
- D. 30 days Discuss
- 8. 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
- 9. 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
- 10. 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
Time and Work problems
Search Results
Correct Answer: 12
Correct Answer: 30
Correct Answer: 4 days
Correct Answer: Rs.50
Correct Answer: 3:2
Correct Answer: 16 days
Correct Answer: 30 days
Correct Answer: 10 5/24 days
Correct Answer: 40 days
Correct Answer: 70 seconds
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