Q: How many pairs of letters are there in the word "CASTRAPHONE" which have as many letters between them in the word as in the alphabet?
A) 3
B) 4
C) 5
D) 6
Answer: D) 6
Explanation:
Here's how to find the letter pairs:
Alphabet Reference: Consider the order of letters in the alphabet.
Identify Pairs: Find pairs within the word "CASTRAPHONE" that have the same number of letters between them as their positions in the alphabet. Here are the 6 pairs:
ST: Two letters between them in the word (RA), just like in the alphabet.
ON: Two letters between them in the word (STR), just like in the alphabet.
HONE: Three letters between them in the word (RAP), matching the alphabet.
TRAPHO: Five letters between them (N), matching the alphabet.
TRAPHON: Six letters between them (E), matching the alphabet.
RAP: Two letters between them (T), matching the alphabet.