One term in the number series is wrong. Find out the wrong term. 1, 5, 9, 15, 25, 37, 49
Options:
A . 9
B . 15
C . 25
D . 37
Answer: Option B The terms of the given series are 12, (22 + 1), 32, (42..+ 1), 52, (62 + 1), 72. So, 15 is wrong and must be replaced by (42 + 1) i.e. 17.
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