45, 54, 47, ?, 49, 56, 51, 57, 53

1.	45, 54, 47, ?, 49, 56, 51, 57, 53
Answer» The given sequence is a combination of two series: I. 45, 47, 49, 51, 53 and II. 54, ?, 56, 57 Clearly, II consists of consecutive natural numbers, starting from 54. So, missing term = 55.

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