Quantitative Aptitude - Arithmetic Ability Questions

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

In the following question, select the odd letter/letters from the given alternatives.

The angle of elevation of the top of a tower from two horizontal points (in opposite sides) at distances of 25 meter and 64 meter from the base of tower are x and 90° - x respectively . The height of the tower will be

Expand and simplify (3x + 2)2*(4x -­ 3) -­ (2x3 - 9x2 + 12x -­ 24)

If 123 x 356 = 43788, then 1.23 x 0.356 = ?

If the side of a square is increased by 20%, then what will be the percentage increase in its perimeter?

If θ is acute angle and tan θ – cot θ = 0, then what is the value of tan26θ + cot100θ?

What is the value of (cos45° + 1/3) ?