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Time, Distance and Speed

 A person travels from P to Q at a speed of 40 kmph and returns by increasing his speed by 50%. What is his average speed for the both the trips? 

B. 48 KMPH
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

If a person walks at a speed of 5 km/h, how long will it take to walk 15 kilometers?

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

If 5 men can complete a piece of work in 20 days, how many days will it take for 10 men to complete the same work?

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

A can complete a work in 10 days, while B can complete the same work in 15 days. How many days will they take to complete the work together?

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

If a train travels at a speed of 90 km/h, how far will it travel in 3 hours?

C. 300 KM
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics