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X can do a piece of work in 40 days. He ...

X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work ? `13 1/3\ d a y s` b. `15\ d a y s` c. `20\ d a y s` d. `56\ d a y s`

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RS AGGARWAL-TIME AND WORK-All Questions
  1. A man and a boy can do a piece of work in 24 days. If the man works...

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  2. A and B can together finish a work in 30 days. They worked together...

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  3. X can do a piece of work in 40 days. He works at it for 8 days and ...

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  4. A, B and C together can complete a piece of work in 10 days. All the t...

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  5. A does 4/5 of a work in 20 days. He then calls B and they together fin...

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  6. A and B together can do a piece of work in 30 days. A having worked fo...

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  7. A and B can do a piece of work in 12 days and B and C can do the same ...

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  8. A and B can do a piece of work in 28 and 35 days respectively. They...

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  9. Anuj and Manoj can together paint their house in 30 days. After wor...

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  10. A started a work and left after working for 2 days. Then B was calle...

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  11. Working together, Asha and Sudha can complete an assigned task in 20 d...

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  12. A can do a piece of work in 14 days which B can do in 21 days. They...

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  13. A, B and C can complete a work separately in 24, 36 and 48 days res...

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  14. A, B and C can complete a work in 10, 12 and 15 days respectively. T...

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  15. A, B and C together earn Rs. 300 per day, while A and C together ea...

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  16. A, B and C are employed to do a piece of work for Rs. 529. A and B tog...

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  17. Kim can do a work in 3 days while David can do the same work in 2 da...

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  18. If A can do 1/4 of a work in 3 days and B can do 1/6 of the same work ...

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  19. A man and a boy received Rs. 800 as wages for 5 days for the work th...

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  20. Two men undertake to do a piece of work for Rs. 1400. The first man...

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