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A sum of money is sufficient to pay A's wages for 21 days and B's wages for 28 days. The same money is sufficient to pay the wages of both for : `12\ d a y s` b. `14\ d a y s` c. `12 1/4d a y s` d. `24 1/2d a y s`

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RS AGGARWAL-TIME AND WORK-All Questions
  1. A man and a boy received Rs. 800 as wages for 5 days for the work th...

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

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  3. A sum of money is sufficient to pay A's wages for 21 days and B's w...

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  4. A can do a piece of work in 10 days; B in 15 days. They work for 5 ...

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  5. The daily wages of a worker are Rs. 100. Five workers can do a work...

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  6. A and B together can complete a work in 12 days. A alone can comple...

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  7. A,B and C completes a piece of work costing Rs. 1800. A worked for 6 d...

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  8. A and B can complete a piece of work in 12 and 18 days respectively....

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  9. A , B and C can do a piece of work in 11 days, 20 days and 55 days re...

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

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  11. A can do a piece of work in 90 days, B in 40 days and C in 12 days. Th...

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  12. A and B can finish a work, working on alternate days, in 19 days, when...

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  13. A and B can separately do a piece of work in 20 and 15 days respective...

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  14. A, B and C can do a piece of work in 36, 54 and 72 days respectively. ...

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  15. Twenty women can do a work in sixteen days. Sixteen men can complete t...

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  16. 10 men can complete a piece of work in 15 days and 15 women can comple...

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  17. A job can be done by 3 skilled worksmen in 20 days or by 5 boys in 3...

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  18. Five men are working to complete a work in 15 days. After five days ...

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  19. A contractor undertakes to do a piece of work in 40 days. He engages...

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  20. 16 men can finish a piece of work in 49 days. 14 men started workin...

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