If C can complete a work in 30 days and D can complete it in 45 days, how much time will they take to finish the work together?

A. 18 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

A can do a work in 24 days, B in 18 days, and C in 12 days. If they all work together, how long will it take to complete the work?

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

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

B. 60 KM/H

If a person walks at a speed of 4 km/h, how long will it take to walk 10 km?

B. 2.5 HOURS

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

A. 60 KM/H