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If a train travels 120 km in 2 hours and then 180 km in 3 hours, what is its average speed for the entire journey?

B. 72 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A cyclist covers a distance of 90 km in 4.5 hours. What is the speed of the cyclist in km/h?

B. 20 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A can complete a work in 12 days, and B can complete the same work in 18 days. If they work together, how many days will they take to complete the work?

B. 8 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

If A can do a piece of work in 15 days and B can do it in 10 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

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