Quantitative Aptitude - Arithmetic Ability Questions

What is the reflection of the point (-0.5, 6) in the x-axis?

What is the value of (cos45° + 1/3) ?

A man covered a certain distance by a train running at the speed of 50 km/hr and covers the same distance back by walking at the speed of 5 km/hr. Ifthe whole journey took 5 hours 30 minutes, then what was the distance (in km) of one side?

A can do a work in 12 days and B in 24 days. If they work on it together for 4 days, then what fraction of work is left?

The time taken by a train 160 m long, running at 72 km/hr, in crossing an electric pole is

Simple interest on a certain sum of money for 3 years at 10% per annum is half the compound interest on Rs 6000 for 2 years at 10% per annum. The sum placed on simple interest is

The ratio of the volume of two cylinders is 7 : 3 and the ratio of their heights is 7 : 9. If the area of the base of the second cylinder is 154 sq. cm, then what will be the radius (in cm) of the first cylinder?

The measure of the four successive angles of a quadrilateral are in the ratio 7 : 11 : 7 : 11. The quadrilateral is a ______.