Quantitative Aptitude - Arithmetic Ability Questions

A shopkeeper marks his goods 40% above the cost price and allows a discount of 25% on it. His gain % is

If cosθ = x2-y2x2+y2, then the value of cotθ is

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Rs. 1. The sum (in Rs.) is:

What is the difference of the factors of the expression x2 + (1/x2) – 6?

Find the median, mode and mean of 9, 5, 8, 9, 9, 7, 8, 9, 8.

A non-zero number is greater than 7 times its reciprocal by 9.3. What is the number?

What is the third proportional to 10 and 20?

A rectangular playground ground of length 125 m and width 75 m, has a walking strip of width 3 m in the middle of the ground, along the longer side. What is the area of the ground without the walking strip?