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Time, Distance and Speed

If A can do a piece of work in 12 days and B can do it in 18 days, how long will it take for both A and B to complete the work together?

A. 7.2 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

If a person walks at a speed of 4 km/h, how long will it take to walk 16 km?

C. 4 HOURS
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

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
Posted in:  Time & Work -  Aptitude -  Mathematics

A cyclist covers a distance of 45 km in 1.5 hours. What is the cyclist's speed?

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

If a train travels at a speed of 90 km/h and takes 4 hours to reach its destination, what is the distance covered by the train?

A. 360 KM
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics