Quantitative Aptitude - Arithmetic Ability Questions

ΔDEF is right angled at E. If m∠F = 30 deg, then find the value of (sinD - 1/3).

Compute : (50 + 0.5 x 20) / 0.7

The angle of elevation of the top of a pillar from the foot and the top of a building 20 m high, are 60° and 30° respectively. The height of the pillar is

Which of the following option is CORRECT about the figure shown below?

Find the sum of the measures all the interior angles of a polygon having 12 sides.

The point equidistant from the sides of a triangle is called

AD is the Median of Δ ABC. If O is the centroid and AO = 10 cm then OD is

Average marks obtained by 19 boys of a college is 56. If the highest marks and lowest marks obtained are removed, then the average reduces by 2. What is the average of the highest and lowest marks obtained?