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

A and B can complete a work in 20 days and 30 days respectively. If they work together for 10 days, how much of the work is left?

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

If A can finish a work in 24 days and B can finish it in 36 days, how long will it take for A to finish the work alone after working with B for 12 days?

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

A can do a work in 16 days and B can do it in 24 days. If they work together for 8 days, how much work is left to be done?

B. 1/3
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Two trains start from the same point and travel in opposite directions. Train A travels at 80 km/h and Train B at 120 km/h. How far apart will they be after 2 hours?

A. 400 KM
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics