Quantitative Aptitude - Arithmetic Ability Questions

In triangle ABC, a line is drawn from the vertex A to a point D on BC. If BC = 9 cm and DC = 3 cm, then what is the ratio of the areas of triangle ABD and triangle ADC respectively?

If cosπ/4c - tanπ/4c = x, then x is

What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?

If √(1 - cos2A)/cosA = x, then the value of x is

If a -­ b = 3 and ab =28, then a3 - b3 is

Select the odd number from the given alternatives.

Select the odd number from the given alternatives.

The equation of a line is given by 4y-6x+9=0. Find the slope of other line which is perpendicular to it.