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Time, Distance and Speed

A car travels 150 km in 3 hours. What is its average speed?

B. 60 KM/H
Posted in:  Time, Distance and Speed -  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
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If 3 men can complete a piece of work in 12 days, how many days will it take for 6 men to complete the same work?

A. 6 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

A can do a work in 20 days, B can do 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

If a pipe can fill a tank in 6 hours and another pipe can empty it in 8 hours, how long will it take to fill the tank if both pipes are opened together?

D. 16 HOURS
Posted in:  Time & Work -  Aptitude -  Mathematics