List of top Logical Ability Questions on Data Arrangement

Refer to the given letter, number and symbol series and answer the question that follows.
(Left) H 0 L $\Omega$ Y & 4 Z 2 * 3 M & 7 S W # 8 2 p H * L (Right)
If all the numbers are dropped from the series, then which of the following will be seventh from the right?

Refer to the given letter, number and symbol string and answer the question that follows.
(Left) * 5 U £ 2 W @ 3 K 9 + \# 6 M & 4 A a 5 G 8 7 B % R O (Right)
If the sequence of the middle nine elements in the given string is reversed, then which of the following will be seventh to the right of the twenty-first element from the right end?