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First A is at the lower left corner, then B,C,D clockwise so PQ is dropped to AD not CD or i do not understand the question.
So Sabcd=3Sabpq they have one side in common ,AB, and the other side of ABPQ or PQ is 1/3 of the other side of ABCD or BC.St 1 is insufficient. Statement 2) means that a+b=27 which doesn't help much. Think it is E)