Quantitative Aptitude - Arithmetic Ability Questions

In a Rhombus ABCD, measure of angle CAB is 30°, what is the measure of angle ABC?

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 ?

There is 40% increase in an amount in 10 years at simple interest. What will be the compound interest of Rs. 30000 after 3 years at the same rate?

If 7x ­- 5y = 13 and 2x -­ y = 5, then (x -­ y) is

If x -­ y = ­7 and x + y = 13, then x2 - y2 is

What is the value of z2+1z2 when z = 5+26 ?

In a circle with centre O, AB is a diameter and CD is a chord which is equal to the radius OC. AC and BD are extended in such a way that they intersect each other at a point P, exterior to the circle. The measure of ∠APB is