If A can do a piece of work in 12 days and B can do it in 18 days, how long will it take for both A and B to complete the work together?

A. 7.2 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

If A can finish a piece of work in 15 days and B can finish it in 10 days, how long will it take for them to complete the work together?

A. 6 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

If A can do a work in 24 days and B can do it in 36 days, how long will it take for A to finish the work alone after working with B for 12 days?

A. 18 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

A can do a work in 20 days, B can do the same work in 30 days. If they work together for 10 days, how much of the work is left?

A. 1/3
Posted in:  Time & Work -  Aptitude -  Mathematics

If a pipe can fill a tank in 6 hours and another pipe can empty it in 8 hours, how long will it take to fill the tank if both pipes are opened together?

D. 16 HOURS
Posted in:  Time & Work -  Aptitude -  Mathematics