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A and B can finish a work in 20 days . A...

A and B can finish a work in 20 days . A alone can do `1/5th` of the work in 12 days.In how many days can B alone do it?

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RD SHARMA ENGLISH-TIME AND WORK-All Questions
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  2. A\ a n d\ B can polish the floors of a building in 10 days. A alone ca...

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  3. A and B can finish a work in 20 days . A alone can do 1/5th of the wor...

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  4. A\ a n d\ B can do a piece of work in 20 days and 15 days. They work t...

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  6. Aasheesh can paint his doll in 20 minutes and his sister Chinki can...

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  7. A\ a n d\ B can do a piece of work in 6 days and 4 days respectivel...

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  8. 6 men can complete the electric fitting in a building in 7 days. Ho...

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  9. If 36 men can do a piece of work in 25 days, in how many days will ...

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  10. Geetika weaves 20 baskets in 30 days. In how many days she will weave ...

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  11. Neha types 75 pages in 14 hours. How many pages will she type in 20...

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  12. If 12 boys earn Rs 840 in 7 days, what will 15 boys earn in 6 days?

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  14. Working 8 hours a day, Ashu can a book in 18 days. How many hours a...

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  15. If 9 girls can prepare 135 garlands in 3 hours, how many girls are ...

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  16. A cistern can be filled by one tap in 4 hours and by another in 3 hour...

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  17. Two taps A and B can fill an overhead tank in 10 hours and 15 hours re...

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  18. A pipe can fill a cistern in 10 hours. Due to a leak in the bottom it ...

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  19. A cistern has two inlets A and B which can fill it in 12 hours and 15 ...

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

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