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In following question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces.

13, 32, 24, 43, 35, , 46, 65, 57, 76

Option:
A. 45
B. 52
C. 54
D. 55
Answer: C . 54

Justification:

The given sequence is a combination of two series :
I.    13, 24, 35, 46, 57    and
II.   32, 43, (....), 65, 76.
The pattern in both I and II is + 11.
.'. Missing number = 43 + 11 = 54.

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