In the following figure PQ and PR are tangents to the circle with the centre O. If `angleQPR = 60^(@)` calculate
(i)`angleQOR`
(ii) `angleOQR`
(iii) `angleQSR`

Options

A. (i) `110^(@)` (ii) `35^(@)` (iii) `60^(@)`
B. (i) `150^(@)` (ii) `30^(@)` (iii) `65^(@)`
C. (i) `120^(@)` (ii) `30^(@)` (iii) `60^(@)`
D. None of the above

Answer

C