If the first five letters of the word CONTROVERSIAL are written in the reverse order, then again next five are written in the reverse order and so on, then which will be 8th letter from your right in the new word formed?

Which is the $8^{th}$ letter to the right of ${15}^{th}$ letter from your left in the following series?

ABCDEFGHIJKLMNOPQRSTUVWXYZ.

In the following series if the alternate letters are deleted and then if the number start counting from C, which will be the fourth letter from right in the new series?

ABCDEFGHIJKLMNOPQRSTUVWXYZ.

In the following series, if every alternate letter starting from D is deleted from the given alphabet, which will be the third letter from the right of the fifth letter from the left?

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

If the following series is written in the reverse order then which will be the $7^{th}$ letter to the right of $4^{th}$ letter from your left?

ABCDEFGHIJKLMNOPQRSTUVWXYZ.

If the first half of the following series is written in the reverse order, which will be the $7^{th}$ letter to the left of $9^{th}$ letter from your right?

ABCDEFGHIJKLMNOPQRSTUVWXYZ.

If the second half of the following series is written in the reverse order, which will be the $5^{th}$ letter to the right of ${10}^{th}$ letter from your right?

ABCDEFGHIJKLMNOPQRSTUVWXYZ.

In the following series if A and Z, B and Y and so on interchange their position then which will be the ${11}^{th}$ letter from your right?

ABCDEFGHIJKLMNOPQRSTUVWXYZ.

If the following series is written in the reverse order and the alternate letter are deleted from it then which letter will divide the new series in two equal parts?

ABCDEFGHIJKLMNOPQRSTUVWXYZ.