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Time, Distance and Speed

A and B can finish a work in 12 days and 15 days respectively. If they work together for 4 days, how much of the work is left?

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

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

B. 75 KM/H
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If a train travels at a speed of 90 km/h, how far will it travel in 3 hours?

C. 270 KM
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A cyclist covers a distance of 120 kilometers in 4 hours. What is the speed of the cyclist in km/h?

B. 30 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A can complete a work in 10 days, while B can complete the same work in 15 days. How long will it take for both A and B to complete the work together?

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