EduGoog
In following questions, one term in number series is incorrect.

Find out the incorrect number 196, 169, 144, 121, 80

Option:
A. 80
B. 121
C. 169
D. 196
Answer: A . 80

Justification:

The sequence is (14)2, (13)2, (12)2, (11)2, (10)2.
So, 80 is wrong and must be replaced by (10)2  i.e. 100.

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