One term in the number series is wrong. Find out the wrong term. 3, 2, 8, 9, 13, 22, 18, 32, 23, 42
Options:
A . 8
B . 9
C . 13
D . 22
Answer: Option B The given sequence is a combination of two series: I. 3, 8, 13, 18, 23 and II. 2, 9, 22, 32, 42 The pattern in I is + 5, and the pattern in II is + 10. So, in II, 9 is wrong and must be replaced by (2 + 10) i.e. 12.
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