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Time & Work
Time, Distance and Speed

A and B can complete a work in 15 days and 20 days respectively. If they work together for 5 days, how much work is left?

A. 1/3
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
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If A can do a piece of work in 15 days and B can do it in 20 days, how long will it take for both A and B to complete the work together?

B. 12 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

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

B. 7.5 DAYS
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If A can complete a task in 8 hours and B can complete the same task in 12 hours, how long will it take for both A and B to complete the task if they work together?

A. 4.8 HOURS
Posted in:  Time & Work -  Aptitude -  Mathematics