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- Question
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
- Correct Answer
- 48 days
- 1. 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
- 2. 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
- 3. 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
- 4. 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 Discuss
- 5. 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
- 6. 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
- 7. Abhinav is 2 times as good a workman as Balwant and therefore is able to finish a job in 36 days less than Balwant. Working together, they can do it in
Options- A. 12 days
- B. 6 days
- C. 18 days
- D. 24 days Discuss
- 8. Working together A and B can do a job in 40 days, B and C in 36 days and all three together in 24 days. In how many days can B alone do the job?
Options- A. 60
- B. 90
- C. 72
- D. 120 Discuss
- 9. A, B and C can do a job working alone in 50, 75 and 20 days respectively. They all work together for 4 days, then C quits. How many days will A and B take to finish the rest of the job?
Options- A. 20
- B. 30
- C. 18
- D. 24 Discuss
- 10. A can do 50% of the job in 16 days, B can do 1/4th of the job in 24 days. In how many days can they do 3/4th of the job working together?
Options- A. 24
- B. 9
- C. 21
- D. 18 Discuss
Time and Work problems
Search Results
Correct Answer: 45
Correct Answer: 12 days
Correct Answer: 36 days
Correct Answer: 12
Correct Answer: 6 hours
Correct Answer: 16 days
Correct Answer: 24 days
Correct Answer: 90
Correct Answer: 20
Correct Answer: 18
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