Quantitative Aptitude - Arithmetic Ability Questions

What is the reflection of the point (3,-5) in the origin?

At what rate of compound interest (in %) per annum will a sum of Rs. 15,000 become Rs. 18,150 in 2 years?

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

How long does a train, 75 m long, moving at 60 km/hr take to pass a certain telegraph post?

What is the quotient when 7251 is divided by 66?

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?

If two successive discounts of 50% and 10% are offered, then what is the net discount (in %)?

A root of equation ax2 + bx + c = 0 (where a, b and c are rational numbers) is 5 + 3√3. What is the value of (a2 + b2 + c2)/(a + b + c)?