In the following question, select the missing number from the given series. 45, 54, 47, ?, 49, 56, 51, 57, 53
A. 82
B. 88
C. 55
D. 89
Sol:
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.