Quantitative Aptitude - Arithmetic Ability Questions

If 2x- 3(4-2x) < 4x - 5 < 4x + 2x/3, then x can take which of the following values?

If the profit is 20%, then what will be the ratio of cost price to selling price respectively?

Present age of A is 2 times the present age of B. After 8 years the B's age will be 4 times of C's present age. If C celebrated his fifth birthday 9 years
ago, then what is the present age (in years) of A?

From the circumcentre I of the triangle ABC, perpendicular ID is drawn on BC. If ∠BAC = 60°, then the value of ∠BID is

The sum of two fractions is 5/6. One of them is 3/4, what is the other fraction?

Which of the following will yield a recurring decimal?

What is the simplified value of [(sec3x – tan3x)/(sec x – tan x)] – 2 tan2x – sec x tan x?

If a – b = 11 and ab = 24, then value of a2 + b2 is