If 5 men can complete a work in 20 days, how many men are required to complete the same work in 10 days?

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

A can do a piece of work in 12 days, B can do the same work in 15 days. If they work together for 3 days, how much of the work is left?

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

If A can do a work in 30 days and B can do the same work in 45 days, how long will they take to finish the work together?

B. 20 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

A and B can complete a work in 24 days and 36 days respectively. If they work together for 8 days, how much work is left?

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