Quantitative Aptitude - Arithmetic Ability Questions

What is the reflection of the point (5, -2) in the line x = -1?

If the difference between the roots of the equation Ax2 – Bx + C = 0 is 4, then which of the following is TRUE?

If cosec 45° - sin 30° = x, then x is

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

The perimeter of a square is 30 cm. Find its area (in cm²).

Smaller diagonal of a rhombus is equal to length of its sides. If length of each side is 6 cm, then what is the area (in sq.cm) of an equilateral triangle whose side is equal to the bigger diagonal of the rhombus?

In a triangle ABC, OB and OC are the bisectors of angles ∠ B and ∠C respectively. ∠BAC = 60°. Then the angle ∠BOC will be

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔABC is 98 cm sq, what is the area (in sq cm) of quadrilateral BDEC?