Quantitative Aptitude - Arithmetic Ability Questions

If 5x ­- 3 ≥ 3 + x/2 and 4x -­ 2 ≤ 6 + x; then x can take which of the following values?

In a triangle ABC, a line is drawn from C which bisects AB at point D. Find the ratio of area of the triangles DBC and ABC.

If 3cos2x - 2sin2x = -0.75 and 0°⩽ x ⩽ 90°, then x = ?

If a3 + a - 1 = 0 then find the value of a6 + a4 + a - 2

What is the simplified value of 1cosec A + cot A2 ?

Which instrument is used for viewing the sun?

The price of a chair is Rs. 500. It has been sold at two succesive discounts of 10% each. What is its selling price?

The rate of simple interest per annum at which a sum of money double itself in 162⁄3 yrs. is