A can complete a work in 12 days, while B can complete the same work in 18 days. How long will they take to complete the work together?

C. 8 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

If a runner completes a 10 km race in 50 minutes, what is their speed in km/h?

B. 12 KM/H

A cyclist covers a distance of 120 kilometers in 4 hours. What is the average speed of the cyclist?

B. 30 KM/H

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 3 hours. What is its average speed?

A. 50 KM/H