Quantitative Aptitude - Arithmetic Ability Questions

If (1 + cosA)/(1 - cosA) = x, then x is

If P : Q = 9 : 7, then what is the value of (P – Q) : (P + Q)?

If the length of the transverse tangent is 8 cm, then calculate the centre distance (in cm) of the two circles with radii 7 cm and 3 cm.

A circle is inscribed in a square. If the length of the diagonal of the square is 14√2 cm, what is the area of the circle?

Simplify 81x2 - 49y29x + 7y

If the circum radius of the equilateral triangle is 12 cm then what is the value of in radius (in cm) of the triangle?

If ABCD is a Cyclic Quadrilateral, then the value of Cos2A - Cos2B - Cos2C + Cos2D is

If tan θ + sec θ = (x – 2)/(x + 2), then what is the value of cos θ?