Choose the correct alternative for the missing term in the series:
$QPO, SRQ, UTS, WVU, ?$

Choose the correct alternative for the missing term.
$LXF, MTJ, NPN, OLR, ?$

What will come in place of the question mark $(?)$ in the alphabetical sequence given below?
$A, C, A, B, B, D, B, C, C, E, C, ?$

Study of the following arrangement carefully and answer the questions given below.

$Q,E ,* ,P,M ,8 ,R,A ,@ ,C ,9 ,U,H,W, \# ,J,Z, ,S, \beta, Y,N ,5 ,\$ ,G,I,T$

If the first element in the above arrangement exchanges its position with the element in the $26 th$ position and the second with the one in the $25 th$ position and so on, which of the following will be in the tenth position from the left after rearrangement?

Fill in the blank space for the given series with the correct alternative.
$4, 23, 60, 121, (\ldots)$

Choose the correct alternative for the missing terms in the series: $Y, W, U, S, Q, ?, ?$