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Time, Distance and Speed

C can finish a work in 20 days, while D can finish it in 25 days. If they work together, how long will it take them to finish the work?

B. 12 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

If 3 men can complete a work in 12 days, how many days will it take for 6 men to complete the same work?

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

A can do a work in 30 days, B can do it in 45 days, and C can do it in 60 days. If they work together, how long will it take them to complete the work?

B. 12 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

A car travels 150 km in 3 hours. What is its speed in km/h?

B. 60 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

If a train travels at a speed of 90 km/h, how far will it travel in 2.5 hours?

B. 225 KM
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics