Quantitative Aptitude - Arithmetic Ability Questions

In the given figure, AB, AE, EF, FG and GB are semicircles. AB = 56 cm and AE = EF = FG = GB. What is the area (in sq.cm) of the shaded region?

a and b are irrational numbers such that a+b = q is a rational number; then a­b is

Select the odd number from the given alternatives.

The areas of two similar triangles ΔABC and ΔPQR are 121 sq cms and 64 sq cms respectively. If PQ = 12 cm, what is the length (in cm) of AB?

Point P is the midpoint of segment AB. Co-ordinates of point P are (2,1) and point A are (11,5). Co-ordinates of point B are

In triangle ABC, AB = 8 cm, angle A is bisected internally to intersect BC at D. BD = 6 cm and DC = 7.5 cm. What is the length of CA?

A line passing through the origin perpendicularly cuts the line 2x + 3y = 6 at point M. Find M?

If a - b = -1 and ab = 6, then what is the value of a3- b3?