The correct option is A 70∘
Given, ∠SQR=80∘.
Since angles in the same segment are equal, we have
∠SQR=∠SPR=80∘.
But, ∠SPQ=∠SPR+∠RPQ=80∘+30∘
⟹∠SPQ=110∘
Since opposite angles are supplementary in a cyclic quadrilateral, we have
∠SPQ+∠SRQ=180∘.
⟹∠SRQ=180∘–∠SPQ=180∘–110∘=70∘