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- Question
A can finish a work in 18 days and B in 36 days. If they work on it together for 9 days, then what percent of work is left?
Options- A. 33.3
- B. 20
- C. 75
- D. 25
- Correct Answer
- 25
- 1. A can do a work in 36 days and B in 12 days. If they work on it together, then in how many days will they be able to do the work?
Options- A. 8
- B. 6
- C. 10
- D. 9 Discuss
- 2. A and B can do a piece of work in 72 days. B and C can do it in 120 days and A and C can do it in 90 days. A alone can do it in:
Options- A. 120 days
- B. 130 days
- C. 150 days
- D. 100 days Discuss
- 3. A and B together do a job in 6.75 days and A could do the job in 9 days if he worked alone. How many days would B take to do the job if he worked alone?
Options- A. 27
- B. 18
- C. 24
- D. 21 Discuss
- 4. Ajit is two times as good a workman as Badrinath and therefore is able to finish a job in 30 days less than Badrinath. Working together, they can do it in
Options- A. 10 days
- B. 30 days
- C. 15 days
- D. 20 days Discuss
- 5. A can do a work in 24 days and B in 40 days. If they work on it together for 10 days, then what fraction of work is left?
Options- A. 1/2
- B. 1/3
- C. 2/3
- D. 3/4 Discuss
- 6. A can do 1/3rd of a job in 3 days and B can do half of the job in 9 days. If they work on it together, then in how many days can they finish half of the job?
Options- A. 4
- B. 5
- C. 6
- D. 3 Discuss
- 7. A, B and C can finish a job working alone in 12, 8 and 24 days respectively. In how many days they can finish the job if they worked together?
Options- A. 5
- B. 6
- C. 4
- D. 3 Discuss
- 8. If A, B and C can do a job working alone in 12, 18 and 36 days respectively. They all work together for 2 day, then B quits. How many days will A and C take to finish rest of the job?
Options- A. 9
- B. 6
- C. 3
- D. 4 Discuss
- 9. If A, B and C together do a job in 4 days, A and C together do the job in 4.5 days and B and C together do the job in 12 days then in how many days can C alone do the job?
Options- A. 36
- B. 6
- C. 18
- D. 12 Discuss
- 10. P and Q can do a project in 20 and 12 days respectively. In how many days can they complete 40% of the project if they work together?
Options- A. 1.5 days
- B. 3 days
- C. 6 days
- D. 9 days Discuss
Time and Work problems
Search Results
Correct Answer: 9
Correct Answer: 120 days
Correct Answer: 27
Correct Answer: 20 days
Correct Answer: 1/3
Correct Answer: 3
Correct Answer: 4
Correct Answer: 6
Correct Answer: 18
Correct Answer: 6 days
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