In following questions, one term in number series is incorrect.
Find out the incorrect number 11, 5, 20, 12, 40, 26, 74, 54
Option:
A. 5
B. 20
C. 40
D. 26
Answer: C . 40
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Justification:
The given sequence is a combination of two series :
I. 11, 20, 40, 74 and
II. 5, 12, 26, 54
The pattern in I becomes + 9, + 18, + 36, ... if 40 is replaced by 38.
So, 40 is wrong.
