Quantitative Aptitude - Arithmetic Ability Questions

In ∆ ABC, the height CD intersects AB at D. The midpoints of AB and BC are P and Q respectively. If AD = 8 cm and CD = 6 cm, then the length of PQ is?

If ΔABC is an equilateral triangle of side 16 cm, then the length of altitude is

Find the roots of the quadratic equation 27x2 + 57x -­ 14 = 0

If √(1+tan2A) = x, then the value of x is

If 1/√(cosec2A - 1) = x, then value of x is

Reflection of the point (2,­7) in the y­axis is

Find co-ordinates of the mid point of the segment joining points C (3,-5) and D (-7,3).

What is the value of sec2θ + 1sec2θ - 1 x 12cotθ - tanθ ?