In this type of questions, you are given alphabets from A to Z. The position of a letter is given in the form of a puzzle. The candidate is required to find yhis letter. However, sometimes a random letter series is given and the candidate is required to find out how many times a letter satisfying the conditions specified in the question, occurs.
The following question is based on the following alphabet series.
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
Which letter is the seventh to the right of the thirteenth letter from your left ?
Counting from the left i.e. A in the given alphabet, the thirteenth letter is M. Counting from M towards the right, the seventh letter is T.