Quantitative Aptitude - Arithmetic Ability Questions

 What is the value of (sin60° - 2/√3) ?

The number of sides of a regular polygon whose exterior angles are each 72 deg is

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the  given alternatives.

If the measure of the interior angle of a regular polygon is 120 deg then how many sides does it have?

What is the slope of the line parallel to the line passing through the points (6,­3) and (2,­1)?

If the circum radius of the equilateral triangle is 12 cm then what is the value of in radius (in cm) of the triangle?

In a right angled triangle ΔDEF, if the length of the hypotenuse EF is 12 cm, then the length of the median DX is

Find the value of p, if 2x -­ 4, 4x + p and 6x -­ 12 are in arithmetic progression.