# Aptitude  Time and Work  Practice Q&A-Easy

11. A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in :

 8 days 10 days 12 days 15 days

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12. A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work in :

 4 days 6 days 8 days 18 days

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13. A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is :

 $\dfrac{1}{4}$ $\dfrac{1}{10}$ $\dfrac{7}{15}$ $\dfrac{8}{15}$

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14. A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The remaining work was done by A in:

 5 days 6 days 10 days 10$\dfrac{1}{2}$days

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15. A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in :

 4 days 6 days 8 days 12 days

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16. 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$\dfrac{1}{3}$days 15 days 20 days 26 days

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17. A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it?

 8 hours 10 hours 12 hours 24 hours

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18. Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?

 7 hours 30 minutes 8 hours 8 hours 15 minutes 8 hours 25 minutes

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19. Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is:

 15 16 18 25

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20. X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?

 6 days 10 days 15 days 20 days

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