Quantitative Aptitude - Arithmetic Ability Questions

What is the area (in sq cm) of a regular hexagon of side 9 cm?

On selling 56 chairs, Mohan earns profit equal to the selling price of 6 chairs. What is the profit percentage?

In triangle PQR, the sides PQ and PR are produced to A and B respectively. The bisectors of ∠AQR and ∠BRQ intersect at point O. If ∠QOR = 50°, then what is the value (in degrees) of ∠QPR?

The surface area of a sphere is 1386 cm2.  Find its diameter (in cm)

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

The height and the slant height of a right circular cone are 24 cm and 25 cm, respectively. Considering π as 22/7 , find the curved surface area of the said cone.

A dealer allows a discount of 15%. A customer pays an amount of Rs. 318.75 for an article. At what price is the article listed?

Triangle DEF is right angled at E. If cot D = 5/12, then what is the value of sin F?