MCQ
Lines $PQ$ and $RS$ intersect at $O.$ If $\angle\text{POS}=2\angle\text{SOQ},$ then the four angles at $O$ are:
- A$30^\circ , 30^\circ , 120^\circ , 180^\circ $
- ✓$60^\circ , 60^\circ , 120^\circ , 120^\circ $
- C$60^\circ , 90^\circ , 90^\circ , 120^\circ $
- D$30^\circ , 60^\circ , 90^\circ , 180^\circ$