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Aptitude : : Time and Work Questions & Answers

- A completes a work in 12 days and B complete the same work in 24 days. If both of them work together, then the number of days required to complete the work will be

A. 8 days

B. 6 days

C. 5 days

D. 4 days

- A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work?

A. 6 days

B. 7 days

C. 8 days

D. 5 days

- A can do piece of work in 30 days while B alone can do it in 40 days. In how many days can A and B working together do it?

A. $19\cfrac{1}{7}\text{ days}$

B. $18\dfrac{1}{7}\text{ days} $

C. $17\dfrac{1}{7}\text{ days}$

D. $16\dfrac{1}{7}\text{ days}$

- A can finish a work in 18 days and B can do the same work in half the time taken by A.Then,working together,what part of the same work they can finish in a day?

A. 1/6

B. 1/9

C. 2/5

D. 2/7

- A and B together can complete a piece of work in 35 days while A alone can complete the same work in 60 days. B alone will be able to complete the same working in?

A. 74 days

B. 80 days

C. 84 days

D. 90 days