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A can do 50% of the job in 16 days, B ca...

A can do 50% of the job in 16 days, B can do one-fourth of the same job in 24 days. Working together, in how many days they can do seven-fourth of the job?
A किसी कार्य का 50% भाग 16 दिनों में कर सकता है, B इस कार्य का एक चौथाई भाग 24 दिनों में पूरा कर सकता है। एक साथ काम करके वें कितने दिनों में वे सात-चौथाई कार्य कर सकते हैं?

A

24

B

28

C

27

D

42

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PINNACLE-WORK AND TIME-EXERCISE
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  2. Vijay can complete a work in 50 days. How much part of work will be co...

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  3. A can do 50% of the job in 16 days, B can do one-fourth of the same jo...

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  4. Some persons can do a piece of work in 84 days. Two times the number o...

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  5. Working together, A and B can complete a work in 12 days. They work to...

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  6. A contractor takes a contract to complete a road in 60 days and employ...

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  7. X takes 10 days less than the time taken by Y to finish a piece of wor...

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  8. A is twice as efficient as B in writing novels. Together they can comp...

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  9. A can do a work in 15 days. B is 25% more efficient than A. In how man...

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  10. A work can be completed by 35 workers in 30 days. If 5 workers leave a...

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  11. A contractor takes a contract to complete a road in 60 days and employ...

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  12. A and B together can complete some work in 36 days, B and C together c...

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  13. A alone can complete a piece of work in 30 days.He left after the comp...

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  14. C can do a piece of work alone in 120 days. B is twice efficient than ...

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  15. X did a task for 24 days and left it incomplete. He could have finishe...

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  16. A, B and C can do a piece of work in 20, 30 and 60 days respectively. ...

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  17. A is 1.5 times as efficient as B. A & B together complete the work in ...

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  18. An experienced carpenter can complete a woodwork in 8 days. A young ca...

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  19. A and B can do a piece of work alone in 15 and 30 days respectively. I...

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  20. A, B and C alone can do a piece of work in 40, 120 and 36 days respect...

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