Quantitative Aptitude - Arithmetic Ability Questions

What is the simplified value of (sec4 A – tan2 A) – (tan4 A + sec2 A)?

If 3(2 - 3x) < 2 - 3x ≥ 4x -6; then x can take which of the following values?

Expand : S + 23

From the top of a 20 m high building, the angle of elevation of the top of a tower is 60° and the angle of depression of it's foot is at 45°, then the height of the tower is (√3=1.732)

Find out the odd word/letters/number/number pair from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

In the following question, select the odd word pair from the given alternatives.

The maximum number of common tangents that can be drawn to two disjoint circles is