These questions are based on the following letter/number/symbol arrangement. Study it carefully and answer the questions that follow.

$5, D,H,E, \star, 7,9, \$ ,F,I ,6 ,R ,\% ,L ,1 ,A,J, 3, B, \# ,4 ,@ ,K,P ,8, U,M, 2$

What will come in place of the question marks $(?)$ in the following series based on the above arrangement?

$E,D,H ,9 ,\star, 7, I,\$,F, ?, ?, ?$

Find out the missing letters for the given series from the given alternatives:
$abca . . . . . bcaab . . . . . ca . . . . . bbc . . . . . a$

Choose the correct alternative answer

$adb...ac...da...eddeb...dbc...cbda$

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?

Find out the missing number in the following sequence:
$1, 3, 3, 6, 7, 9, ?, 12, 21$

Find out the wrong term from the given series.
$52, 51, 48, 43, 34, 27, 16$