Quantitative Aptitude - Arithmetic Ability Questions

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

If triangle ABC = triangle XYZ and angle BAC = 55 deg, then angle ZXY = ?

The area of the triangle whose vertices are given by (2,4), (-3,-1) and (5,3) is

The amount of extension in a spring is proportional to the weight hung on it. If the weight of 5 kgs produces an extension of 0.4 cm, what weight would produce an extension of 5cm?

O is the center of the circle and two tangents are drawn from a point P to this circle at points A and B. If ∠AOP = 50°, then what is the value (in degrees) of ∠APB?

Suppose that the medians BD, CE and AF of a triangle ABC meet at G. Then AG: GF is

Find the sum of the measures all the interior angles of a polygon having 12 sides.

Find out the odd word/letters/number/number pair from the given alternatives.