If A can do a piece of work in 20 days and B can do it in 30 days, how much time will they take to finish the work together?

B. 15 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

If 3 men can complete a work in 12 days, how many days will it take for 6 men to complete the same work?

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

A can complete a work in 10 days, and B can complete the same work in 15 days. How many days will they take to complete the work together?

B. 8 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

If 5 men can complete a work in 20 days, how many days will it take for 10 men to complete the same work?

A. 10 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

A and B can do a work in 12 days and 18 days respectively. If they work together for 6 days, how much work is left?

C. 1/2
Posted in:  Time & Work -  Aptitude -  Mathematics