Quantitative Aptitude - Arithmetic Ability Questions

What is the value of a2 + b2a3 - b3, when a + b = 8 and a - b = 2?

If (1 + sinA)/cosA + cosA/(1 + sinA) = x, then the value of x is

The HCF of 36,54 and 108 is

ΔPQR is right angled at Q. If cosecP = 25/24, then what is the value of cotR ?

O is the centre of a circle and AB is the tangent to it touching at B . If OB = 3 cm. and OA = 5 cm , then the measure of AB in cm

The diagonals are not perpendicular in a _____.

The marked price of a shirt is Rs 1800 and retailer gets a discount of 40%. If he sells that shirt for Rs 1800, then what is the profit percentage of retailer?

Triangle ΔXYZ is similar to ΔPQR. If XY:PQ=5:1. If Area of ΔPQR is 5 sq cm, what is the area (in sq cm) of ΔXYZ?