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

B. 60 KM/H

If A can do a piece of work in 15 days and B can do it in 10 days, how many days will they take to complete the work together?

B. 7.5 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

A cyclist covers a distance of 120 km in 4 hours. What is the speed of the cyclist in km/h?

B. 30 KM/H

If a pipe can fill a tank in 6 hours and another pipe can empty it in 8 hours, how long will it take to fill the tank if both pipes are opened together?

D. 16 HOURS
Posted in:  Time & Work -  Aptitude -  Mathematics

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

B. 60 KM/H