Quantitative Aptitude - Arithmetic Ability Questions

A person bought an item for Rs. 1500 and sold it at a profit of 12%. What was the selling price of the item?

A mixture contains acid and water in the ratio of 7 : 3. If 4 litres of water is added to it, then the ratio of acid and water becomes 7 : 4. What is the quantity (in litres) of acid in the mixture?

The simple interest on a certain sum of money at the rate of 5% per annum for 8 years is Rs. 840 . Rate of interest for which the same amount of interest can be received on the same sum after 5 years is

A chord of length 16 cm is drawn in a circle of radius 10 cm. The distance of the chord from the centre of the circle is

Which of the following ratios can be the ratio of the sides of a right angled triangle?

If (8 - 10x) - (13x - 2) = -9, then the value of x is

What least number must be added to 4131, so that the sum is completely divisible by 19?

If a -­ b = 6 and ab =16, then a3 -­ b3 is