A) 11
B) 12
C) 17
D) 15
Correct Answer: B
Solution :
The given sequence is a combination of two series I. 1, 5, 7, 11, 12 and, II. 5, 9, 11, 15, 17 The pattern in both I and II is +4, + 2, + 4, + 2 So, 12 is wrong and must be replaced by (11 + 2) i,e., 13.You need to login to perform this action.
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