Quantitative Aptitude - Arithmetic Ability Questions

If x + [1/(x + 7)] = 0, then what is the value of x – [1/(x + 7)]?

The average of 10 numbers is X and one of the number is 38. If 38 is replaced with 19, then what will be the new average?

PQ is a diameter of a circle with centre O. RS is a chord parallel to PQ subtends an angle of 40° at the centre of the circle. If PR and QS are produced to meet at T, then what will be the measure (in degrees) of ∠PTQ?

The value of tan(-405°)

What is the area (in sq cm) of a rhombus if the lengths of the diagonals are 12 cm and 14 cm?

The radius of a sphere is 6 cm. It is melted and drawn into a wire of radius 0.2 cm. The length of the wire is

In a Kite _____.

If sec2A cosec2A = x, then x is