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.
6, 11, 21, 36, 56,
Option:
A. 42
B. 51
C. 81
D. 91
Answer: C . 81
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Justification:
The pattern is + 5, + 10, + 15, + 20,....
.'. Missing Number = 56 + 25 = 81.
