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- Question
Sashi can do a piece of work in 20 days. Tanya is 25% more efficient than Sashi. The number of days taken by Tanya to do the same piece of work is:
Options- A. 15
- B. 16
- C. 18
- D. 25
- Correct Answer
- 16
- 1. A can paint a house in 42 days and B can do it in 21 days. Along with C, they can finish the job in 7 days only.C alone can do the painting job in how many days, ?
Options- A. 9
- B. 12
- C. 14
- D. 15 Discuss
- 2. A mason can build a wall in 70 hours. After 7 hours he takes a break. What fraction of the wall is yet to be built?
Options- A. 0.9
- B. 0.8
- C. 0.5
- D. 0.75 Discuss
- 3. Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. The ratio between the capacity of a man and a woman is
Options- A. 3:4
- B. 4:3
- C. 5:3
- D. 5:7 Discuss
- 4. Mehdi can complete a work in 25 hours. If he is joined by Jahnavi who is 50% more efficient, in what time will they together finish the work?
Options- A. 12 hours
- B. 10 hours
- C. 3 hours
- D. 9 hours Discuss
- 5. A does 75% of a work in 50 days. He then calls in B and they together finish the remaining work in 10 days. How long B alone would take to complete the whole work?
Options- A. 200 days
- B. 50 days
- C. 100 days
- D. 125 days Discuss
- 6. 18 men or 36 boys working 6 hours a day can plough a field in 24 days. In how many days will 24 men and 24 boys working 9 hours a day plough the same field ?
Options- A. 9
- B. 10
- C. 6
- D. 8 Discuss
- 7. Anil is twice as good as workman as Bimal and together they finish a piece of work in 9 days. In how many days will Anil alone finish the work?
Options- A. 12.5
- B. 11.5
- C. 10.5
- D. 13.5 Discuss
- 8. A and B together can do a piece of work in 36 days, B and C together can do it in 24 days. A and C together can do it in 18 days. The three working together can finish the work in
Options- A. 8 days
- B. 16 days
- C. 30 days
- D. 32 days Discuss
- 9. A and B together can complete a work in 24 days. B alone does 1/3rd part ofthis work in 12 days. How many days will A alone take to complete the remaining work?
Options- A. 24
- B. 36
- C. 48
- D. 72 Discuss
- 10. A school has 8 periods of 45 minutes each, every day. How long will each period be if the school has to have 9 periods everyday, assuming the working hours to be the same?
Options- A. 40 min
- B. 35 min
- C. 30 min
- D. 45 min Discuss
Time and Work problems
Search Results
Correct Answer: 14
Correct Answer: 0.9
Correct Answer: 4:3
Correct Answer: 10 hours
Correct Answer: 100 days
Correct Answer: 8
Correct Answer: 13.5
Correct Answer: 16 days
Correct Answer: 48
Correct Answer: 40 min
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