NumericalEasy1 mark
3(ii)
In the given diagram, O is the centre of the circle. PR and PT are two tangents drawn from the external point P and touching the circle at Q and S respectively. MN is a diameter of the circle. Given ∠PQM = 42° and ∠PSM = 25°. Find :

∠QNS
Topic: Tangents / intersecting chords
Previous-year question practice database
Answer
Exam answer
∠QNS = 67°
Explanation
Apply circle angle properties from the diagram.