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Time & Work
Time, Distance and Speed

A can complete a work in 12 days, while B can complete the same work in 18 days. How long will they take to complete the work together?

C. 8 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
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C can finish a work in 20 days, while D can finish it 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

A and B can complete a work in 12 days and 15 days respectively. 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 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