From the word 'LAPAROSCOPY', how many independent meaningful words can be made without changing the order of the letters and using each letter only once ?
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 should be fourth to the left of twelfth letter from the right if the second half of the given alphabet is reversed ?