Quantitative Aptitude - Arithmetic Ability Questions

If 4r = h + r2+h2 then r: h = ? (r not equal to 0)

If sin8 θ + cos8 θ – 1 = 0, then what is the value of cos2 θ sin2 θ (If θ ≠ 0 or π/2)?

ΔXYZ is right angled at Y. If cosX = 3/5, then what is the value of cosecZ ?

Which of the following ratios can be the ratio of the sides of a right angled triangle?

If one angle of a triangle is equal to half the sum of the other two equal angles, then the triangle is

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

An article was sold for Rs. 2,400 at a discount of 20%. Find the selling price, if the discount was 25%.

Find the curved surface area (in cm2) of a right circular cone of diameter 28 cm and slant height 12 cm.