Quantitative Aptitude - Arithmetic Ability Questions

What is the ratio of simple interest earned on certain amount at the rate of 12% p.a. for 9 years and that for 12 years?

Find the total surface area (in cm2) of a cube of side 7.5 cm.

If the radius of a circle is increased by 15% its area increases by _____.

In the following question, select the odd word from the given alternatives.

A train travelling at the speed of 66 kmph crosses a 300 m long platform in 24 seconds. How long was the train?

The mode and median of the data 8, 6, 8, 7, 8, 6, 8, 7, 6 is

A dishonest milkman buys milk at Rs 24 per litre and adds 1/3 of water to it and sells the mixture at Rs 32 per litre. What is his gain?

Rs 10,200 has to be divided between A,B & C so that A gets 2/3 of what B gets and B gets 1/4 of what C gets. How much more does C get over A (in Rs)?