Aptitude : : Time and Work Questions & Answers

  1. 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

  1. 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

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

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

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

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

  1. 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. 2/5

B. 2/7

C. 1/6

D. 1/9

  1. 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. 90 days

B. 74 days

C. 80 days

D. 84 days