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Tuesday, 13 February 2024

How many pairs of letters are there in the word "CASTRAPHONE"

 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:

  1. Alphabet Reference: Consider the order of letters in the alphabet.

  2. 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.

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