# Aptitude:: Time and Work

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### Exercise

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21

#### 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?

 A. 35 B. 40 C 45 D. 50

22

#### A machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M. while machine P is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will the work (to print one lakh books) be finished ?

 A. 11:30 A.M. B. 12 noon C 12:30 P.M. D. 1:00 P.M.

23

#### A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in:

 A. 15 days B. 20 days C 25 days D. 30 days

24

#### 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?

 A. 8 hours B. 10 hours C 12 hours D. 24 hours

25

#### If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the time taken by 15 men and 20 boys in doing the same type of work will be:

 A. 4 days B. 5 days C 6 days D. 7 days

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