In the given figure, O is the centre of the circle. Circle has 3 tangents. If ∠QPR = 45°, then what is the value (in degrees) of ∠QOR ?

Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 67.5.

∠QPR = 45°
∠QOR = 90° - ∠QPR/2
= 90° - (45/2)
= 67.5°