Quantitative Aptitude - Arithmetic Ability Questions

What is the value of (sinA -­ 2sin3A)/(2cos3A -­ cosA)?

The value of x for which the expressions 15x + 4 and 13x - 2 become equal is ______

In ΔABC measure of angle B is 90 deg. If cosA = 5/13, and AB = 10 cm, then what is the length (in cm) of side BC?

If a2+1a2 = 38, then find the value of a-1a?

The measures of the four angles of a quadilateral are in the ratio 3:4:5:6. What is the measure of the biggest angle?

A solid right circular cone of radius 4 cm and height 7 cm is put inside a cylindrical vessel of radius 5 cm and height 8 cm. How much water in cubic cm will be required to fill the cylindrical vessel completely?

What is the measure of an interior angle of a regular polygon of 10 sides?

Select the odd number from the given alternatives.