Does X = 90?
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I think we can rephrase the question to: Is AB the diameter of the circle?
Because if AB = Diameter of circle, x = 90 deg
Statement 1 ------ Not sufficient as it doesn't provide any info for AB
Statement 2 ------ Proves AB is not equal to diameter and answers the question as No.
Hence B should be the answer
Because if AB = Diameter of circle, x = 90 deg
Statement 1 ------ Not sufficient as it doesn't provide any info for AB
Statement 2 ------ Proves AB is not equal to diameter and answers the question as No.
Hence B should be the answer