Aptitude Time and Work Exercise 1

A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is :

View Answer

D.

solution

A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone?

• A. 30 days


• B. 40 days


• C. 60 days


• D. 70 days

View Answer

C.

solution

A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in :

• A. 4 days


• B. 6 days


• C. 8 days


• D. 12 days

View Answer

C.

solution

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

View Answer

B.

solution

Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is:

• A. 15


• B. 16


• C. 18


• D. 25

View Answer

B.

solution

Aptitude Time and Work Exercise 1