Quantitative Aptitude - Arithmetic Ability Questions

What is the measure of an interior angle of a regular Octagon?

From the circumcentre I of the triangle ABC, perpendicular ID is drawn on BC. If ∠BAC = 60°, then the value of ∠BID is

The average of first 20 multiples of 12 is

ABC is a right angled triangle. ∠BAC = 90 deg and ∠ACB = 60 deg. What is the ratio of the circum radius of the triangle to the side AB?

If 7x ­- 5y = 13 and 2x -­ y = 5, then (x -­ y) is

∆ABC is right angled at B. If m∠A = 45°, then find the value of (coseC + 1/√3).

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 12% per annum is Rs 900. What is the value of given sum (in Rs)?

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 24200, and Rs 26620 respectively, what is the rate of interest?