List of top Quantitative Ability and Data Interpretation Questions on Trigonometry asked in IPMAT

In triangle ABC, AB = AC = x, \( \angle ABC = \theta \) and the circumradius is equal to y. Then \( \frac{x}{y} \) equals
The angle of elevation of the top of a pole from a point A on the ground is 30°. The angle of elevation changes to 45°, after moving 20 metres towards the base of the pole. Then the height of the pole, in metres, is: