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Time & Work
Time, Distance and Speed

If C can finish a job in 12 days and D can finish the same job in 18 days, how long will it take them to finish the job together?

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

If a work can be done by A in 24 days and by B in 36 days, how many days will it take for both A and B to complete the work together?

B. 12 DAYS
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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?

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

If A can do a piece of work in 15 days and B can do it in 10 days, how many days will they take to complete the work together?

B. 7.5 DAYS
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C can finish a work in 20 days, while D can finish 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