# Aptitude:: Time and Work

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### Exercise

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#### A and B can do a job together in 7 days. A is times as efficient as B. The same job can be done by A alone in :

 A. B. 11 days C. D.

#### 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?

 A. B. 15 days C. 20 days D. 26 days

#### 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:

 A. 5 days B. 6 days C. 10 days D.

#### A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in:

 A. B. C. D. 4 days

#### A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days, A alone can finish the remaining work?

 A. 5 B. C. 6 D. 8

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