In triangle ODQ, ∠Q = ∠BPO = 90° AB = 2 x OA, BC = 3 x OA and CD = 4 x OA. Assertion (A) : . Reason (R) : Δ OBP - ODQ and . 1. A is true, R is false. 2. A is false, R is true. 3. Both A and R are true and R is correct reason for A. 4. Both A and R are true and R is incorrect reason for A.