Find out the wrong term from the given series.
$121, 143, 165, 186, 209$

Fill in the blank space for the given series with the correct alternative.
$2, 3, 8, 63, (\ldots)$

Choose the correct alternative for the missing term in the series: $ejo, tyd, ins, xch, ?$

Fill in the blank space for the given series with the correct alternative.
$8, 9, 8, 7, 10, 9, 6, 11, 10, (\dots), 12$

In the number $76534218$,each digit is replaced by the next digit (i.e.,$1$ is replaced by $2$,$2$ is replaced by $3$,and so on). After this,the digits are arranged in ascending order from left to right. Which digit will be fifth from the left end?

These questions are based on the following arrangement. Study it carefully and answer the questions.
$8, H, \%, 3, 7, T, A, 4, \#, 6, B, I, @, R, 1, Q, \star, L, E, 2, K, \,U,5,9$
Four of the following five are alike in a certain way on the basis of their positions in the above arrangement and so form a group. Which is the one that does not belong to the group?