Quantitative Aptitude - Arithmetic Ability Questions

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

How much is the maximum % discount that sheela can offer to her customer on her Marked Price so that she sells her product at no profit or loss, if she had already marked her product by 25% more than the cost price?

If Tan A = 15/8 and Tan B = 7/24, then Tan (A - B) = ?

Compute : (50 + 0.5 x 20) / 0.7