One term in the number series is wrong. Find it.
$1, 5, 14, 30, 55, 93$

Choose the correct alternative for the missing term:
$AB, BA, ABC, CBA, ABCD, ?$

These questions are based on the following arrangement. Study it carefully and answer the questions.

$J ,\star, R, 3, P,L ,2 ,\# ,I,N, 7, O,C, @ ,K, 5, D, =, M, \$, 6, B, > ,A ,Q ,4$

Four of the following five are alike in a certain way based on the positions of the elements in the arrangement and hence form a group. Which one does not belong to the group?

Choose the correct alternative to fill in the blanks in the series: $ba....b...aabb....a........a...bb$

Choose the correct alternative to fill in the blanks for the series: $cab....a....c....be....be....b....ab$

In the set of three-digit numbers given below,the first two digits of each number are interchanged. Which one among them will be in the middle if they are arranged in ascending order after the change?
$230, 422, 328, 516, 138$