A car travels 150 km 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

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

Two workers can complete a job in 30 days. If one worker is twice as efficient as the other, how many days will it take for them to complete the job together?

C. 15 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

A car travels 150 km at a speed of 60 km/h. How long does the journey take?

B. 2.5 HOURS