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Time, Distance and Speed

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

A car travels 150 kilometers in 2 hours. What is its average speed?

B. 75 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A cyclist covers a distance of 120 kilometers in 4 hours. If he increases his speed by 10 km/h, how long will it take him to cover the same distance?

B. 3 HOURS
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A and B can complete a work in 24 days and 36 days respectively. If they work together for 8 days, how much work is left?

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

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