Quantitative Aptitude - Arithmetic Ability Questions

The price of an article is discounted by 25%, to restore to its original value, the new price must be increased by

If the population of a town increases by 25% in the first year and increases by 36% in the second year, then what is the average rate (in percentage)of increase in the population?

What is the value of [(cos 7A + cos 5A)÷(sin 7A – sin 5A)]?

The price of a shirt after 15% discount, is Rs.119. What was the marked price of the shirt before discount

Find the odd word/letters/numbers pair from the given alternatives.

The alcohol and water in a mixture are in the ratio of 7 : 8 respectively. If 11 litre water is added to it, then the ratio of alcohol and water in the new mixture becomes 3 : 5. What is the total quantity (in litres) of the alcohol in the new mixture?

The sum of two angles of a triangle is 116o and their difference is 24o . The measure of smallest angle of the triangle is

What is the value of [(sin 59° cos 31° + cos 59° sin 31° )÷(cos 20° cos 25° – sin 20° sin 25° )]?