Find out the wrong number??
15, 42, 167, 512, 1239, 2570, 4767
(1) 42 (2) 167
(3) 512 (4) 1239 (5) None
15, 42, 167, 512, 1239, 2570, 4767
(1) 42 (2) 167
(3) 512 (4) 1239 (5) None
Watch this space for answer in a week.
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