1.  In each of the following questions, one term in the number series is wrong. Find out the wrong term.
1236, 2346, 3456, 4566, 5686

A. 1236
B. 3456
C. 4566
D. 5686

Answer: Option D

Explanation:

The correct pattern in the series is + 1110. So, 5686 is wrong and must be replaced by ( 4566 + 1110 ) i. e.5676.