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Time, Distance and Speed

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 train travels at a speed of 90 km/h, how long will it take to cover a distance of 270 km?

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

A car travels 150 km in 2 hours. What is its speed in km/h?

A. 60 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

If a train travels at a speed of 90 km/h, how far will it travel in 2.5 hours?

B. 225 KM
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

If A can do a piece of work in 20 days and B can do it in 30 days, how long will it take for both A and B to complete the work together?

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