Quantitative Aptitude - Arithmetic Ability Questions

If an equilateral triangle has side 12 cm, then what is the difference (in cm) between the circumradius and inradius?

The difference between compound interest and simple interest on a certain sum of money for 2 years at 5% per annum is Rs. 41. What is the sum of money?

What is the slope of the line parallel to the line passing through the points (-­4,­-6) and (2,­-3)?

Product of digits of a 2-digit number is 72. If we add 9 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

Compute 33800/520/5

If a3 + a - 1 = 0 then find the value of a6 + a4 + a - 2

The third proportional of the following numbers (x - ­y)2, (x2 - y2)2 is

What is the value of Cot 45° - (1/√3)Cosec 60°?