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- Question
Some carpenters promised to do a job in 15 days but 3 of them were absent and remaining did the job in 20 days. What was the original number of carpenters?
Options- A. 10
- B. 15
- C. 12
- D. 14
- Correct Answer
- 12
- 1. Manjeet can do a work in 18 hours. If he is joined by Jaya who is 100% more efficient, in what time will they together finish the work?
Options- A. 6 hours
- B. 3 hours
- C. 12 hours
- D. 24 hours Discuss
- 2. A can paint a house in 45 days and B can do it in 15 days. Along with C, they did the job in 5 days only. Then, C alone can do the job in how many days?
Options- A. 12
- B. 9
- C. 15
- D. 8 Discuss
- 3. A can do a work in 16 days and B in 20 days. If they work on it together for 8 days, then what fraction of work is left?
Options- A. 1/3
- B. 1/6
- C. 2/9
- D. 1/10 Discuss
- 4. A is thrice as productive as C. Together they can complete a job in 22.5 days. If B joins them after they have worked for 15 days then in how many days can they finish the rest of the job if B alone can do the job in 15 days?
Options- A. 6
- B. 3
- C. 9
- D. 2 Discuss
- 5. Working together A, B and C can complete a task in 12 days. A and B can do the task in 55 days and 66 days respectively if they worked alone. In how many days can C do the task if he worked alone?
Options- A. 22
- B. 44
- C. 20
- D. 40 Discuss
- 6. P and Q can do a project in 150 and 100 days respectively. In how many days can they complete 60% of the project if they work together?
Options- A. 12 days
- B. 72 days
- C. 42 days
- D. 36 days Discuss
- 7. Azhar is 4 times as good a workman as Balaraj and therefore is able to finish a job in 45 days less than Balaraj. Working together, they can do it in:
Options- A. 6 days
- B. 18 days
- C. 24 days
- D. 12 days Discuss
- 8. Sister can bake 50 cakes in 25 hours, Sister and Mummy together can bake 75 cakes in 15 hours. How many cakes Mummy can bake in 15 hours?
Options- A. 25
- B. 45
- C. 20
- D. 10 Discuss
- 9. A does 50% of a work in 12 days. He then calls in B and they together finish the remaining work in 8 days. How long B alone would take to complete the whole work?
Options- A. 12 days
- B. 24 days
- C. 36 days
- D. 48 days Discuss
- 10. Parimal has done 1/4th of a job in 10 days, Salim completes the rest of the job in 20 days. In how many days can they together do the job?
Options- A. 8 days
- B. 24 days
- C. 12 days
- D. 16 days Discuss
Time and Work problems
Search Results
Correct Answer: 6 hours
Correct Answer: 9
Correct Answer: 1/10
Correct Answer: 3
Correct Answer: 20
Correct Answer: 36 days
Correct Answer: 12 days
Correct Answer: 45
Correct Answer: 48 days
Correct Answer: 16 days
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