# Aptitude:: Time and Work

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### Exercise

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11

#### Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. What is the ratio between the capacity of a man and a woman?

 A. 3 : 4 B. 4 : 3 C 5 : 3 D. Data inadequate

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 :

 A. 4 days B. 6 days C 8 days D. 18 days

13

#### A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work?

 A. 18 days B. 24 days C 30 days D. 36 days

14

#### 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 :

 A. 8 days B. 10 days C 12 days D. 15 days

15

#### A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in:

 A. 4 days B. 6 days C 8 days D. 12 days

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