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 in this alphabet is the eighth letter to the right of the letter and which is tenth letter to the left of the last but one letter of the alphabet?

X W I H

W

The answer is W. The last but one letter of the alphabet is Y. The tenth letter to the left of Y is O. The eighth letter to the right of O is W.