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A\ a n d\ B can polish the floors of a b...

`A\ a n d\ B` can polish the floors of a building in 25 days. `A` alone can do `1/3` of this job in 15 days. In how many days can `B` alone polish the floors of the building?

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RD SHARMA ENGLISH-TIME AND WORK-All Questions
  1. A\ a n d\ Q together can do a piece of work in 10 days, Q\ a n d\ R ca...

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  2. A can do a piece of work in 25 days and B can finish it in 20 days. Th...

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  3. A\ a n d\ B can polish the floors of a building in 25 days. A alone ca...

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  4. Suneeta can embroider a saree in 15 days. Her sister-in-law Abha ca...

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  5. 5 men can complete a job in 8 days. How many days will it take if 1...

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  6. Seema weaves 25 baskets in 35 days. In how many days will she weave...

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  7. 15 boys earn Rs 900 in 5 days, how much will 20 boys earn in 7 days...

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  8. Spinning 3 hours daily, Kanta can spin 2 kg cotton-balls in 12 days...

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  9. Somari sweeps 600 m long railway platform in 2 1/2 hours. His wife Ima...

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  10. A cistern can be filled by one tap in 8 hours, and by another in 4 hou...

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  11. Pipe A can fill an empty tank in 6 hours and pipe B in 8 hours. If bot...

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  12. A cistern can be filled by a tap in 6 hours and emptied by an outlet p...

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  13. A pipe can fill a cistern in 6 hours. Due to a leak in the bottom i...

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  14. A tank can be filled by two taps A\ a n d\ B in 12 hours and 16 hours ...

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  15. Rakesh can do piece of work in 20 days. How much work can be do in ...

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  16. Rohan can paint 1/3 of a painting in 6 days. How many days will he ...

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  17. Anil can do a piece of work in 5 days and ankur in 4 days. How long wi...

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  18. Mohan takes 9 hours to mow a large lawn. He and Sohan together can ...

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  19. Sita can finish typing a 100 page document in 9 hours, Mita in 6 ho...

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  20. A ,\ B\ a n d\ C working together can do a piece of work in 8 hours. A...

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