Quantitative Aptitude - Arithmetic Ability Questions

What is the value of sin6θ + cos6θ + 3 sin2θ cos2θ –1?

Marked price of an article is Rs 3600 and selling price is Rs 3132. What is the discount percentage?

If L : M = 3 : 5 and M : N = 2 : 3, then N : L = ?

If the radius of a circle is increased by 21%, then its area will increase by what percent?

If x2-2x+1=0,then the value of x4+1x4 is

If x = 2+32-3, then what is the value of x2+x-9 ?

If 2secA - (1 + sinA)/cosA = x, then the value of x is

If α and β are the roots of equation x2 – 2x + 4 = 0, then what is the equation whose roots are α3/β2 and β3/α2?