Quantitative Aptitude - Arithmetic Ability Questions

What should be the average speed of the car to cover a distance of 342 km in 1.9 hours?

A tank can be filled in 30 minutes. There is a leakage which can empty the tank in 90 minutes. Therefore, the tank will be filled in

The sum of all prime numbers between 18 and 32 is:

The radius of the circle circumscribing the three vertices of an equilateral triangle is 12 cm. Determine the height (in cm) of the equilateral triangle

Which of the following quadratic equations has real roots?

Both X and Y together can complete a work in 12 days and Y alone can complete the same work in 30 days. In how many days will X alone complete the work?

In what time will a 100 metre long train running with a speed of 50 km/hr cross a pillar?

A train starts moving from a place P at 10:00 a.m. and arrives at another place Q at 5:30 p.m. on the same day. If the speed of the train is 50 km/hr, then what will be the distance (in km) covered by the train?