Quantitative Aptitude - Arithmetic Ability Questions

A's salary was decreased by 50% and subsequently increased by 50%. How much percent does he lose?

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

If 5 ­ 3x < 4 ­ x and 5(2 ­ x) > 2 ­ 2x, then x can take which of the following values?

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

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

If 5/6th of 7/6th of a number is 140, then 9/4th of that number is

If x = cosecθ - sinθ and y = secθ - cosθ, then the relation between x and y is

Given: x -­ 5 ≤ 2x -­ 3 and 2x - ­1/2 ≥ 5x + 2; then x can take which of the following values?