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Time, Distance and Speed

If a vehicle travels 240 km in 3 hours and then 180 km in 2 hours, what is the average speed for the entire journey?

B. 70 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

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

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

A can do a work in 15 days, B can do it in 20 days, and C can do it in 30 days. If they all work together, how long will it take to complete the work?

B. 5 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

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

B. 75 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics