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Time, Distance and Speed

A and B can complete a work in 20 days together. If A alone can do it in 30 days, how long will B take to complete the work alone?

A. 40 DAYS
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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
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A cyclist covers a distance of 120 km in 6 hours. What is the average speed of the cyclist in km/h?

B. 20 KM/H
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C can complete a task in 12 days, while D can do it in 18 days. If they work together for 6 days, how much of the work is left?

A. 1/3
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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