A car travels 150 kilometers in 3 hours. What is its average speed?

B. 60 KM/H

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

B. 225 KM

If A can finish a work in 24 hours and B can finish it in 36 hours, how long will it take for both A and B to finish the work together?

A. 14.4 HOURS
Posted in:  Time & Work -  Aptitude -  Mathematics

If a person walks at a speed of 4 km/h, how long will it take to walk 20 km?

B. 5 HOURS