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- Question
12 men complete a work in 14 days. 5 days after they had started working, 3 men join them. How many more days will all of them take to complete the remaining work?
Options- A. 5
- B. 4
- C. 3
- D. 2
- Correct Answer
- 3
ExplanationLet p be the required number of days.
From the given data,
12 x 14 = 12 x 5 + (12+3) x p
12 x 14 = 12[5 + 3p]
14 = 5 + 3p
3p = 9
p = 3 days.
Hence, more 3 days all of them take to complete the remaining work.
- 1. 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
- 2. 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
- 3. 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
- 4. 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
- 5. 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
- 6. Working 10 hours a day, Aman can complete a piece of work in 18 days. How many hours a day should he work so as to finish the work in 15 days?
Options- A. 10
- B. 12
- C. 16
- D. 18 Discuss
- 7. Robin can do a work in 10 hours. Pradeep and Robin together can do the same work in 4 hours. Pradeep and Nitin together can do the samework in 5 hours. In how many hours Nitin alone can complete the same work?
Options- A. 12
- B. 15
- C. 18
- D. 20 Discuss
- 8. S, T and U can complete a work in 40, 48 and 60 days respectively. They received Rs 10800 to complete the work. They begin the work together but Tleft 2 days before the completion of the work and U left 5 days before the completion of the work. S has completed the remaining work alone. What is the share of S(in Rs) from total money?
Options- A. 4320
- B. 4500
- C. 4860
- D. 4960 Discuss
- 9. Ram and Hari can cut 12 kgs nuts in 2 days. After 5 days, Hari left the work. Ram took 8 more days to cut the rest of the nuts. If total of 58 kgs of nuts were cut, the time taken by Hari to cut 10 kg of nuts is
Options- A. 1 day
- B. 2 days
- C. 3 days
- D. 4 days Discuss
- 10. Pannalal has done 1/3rd of a job in 20 days, Saiprasad completes the rest of the job in 10 days. In how many days can they together do the job?
Options- A. 12 days
- B. 6 days
- C. 3 days
- D. 24 days Discuss
Time and Work problems
Search Results
Correct Answer: 6 days
Correct Answer: 18
Correct Answer: 6
Correct Answer: 4
Correct Answer: 3
Correct Answer: 12
Correct Answer: 20
Correct Answer: 4860
Correct Answer: 4 days
Correct Answer: 12 days
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