How many pairs of letter are there in the word COMMUNICATION which have as many letters between them as in the English alphabet ?

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Six

Seven

Five

Four

answer is C.

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Detailed Solution

There are 6 pairs of letters in the word "COMMUNICATION" that have as many letters between them in the word as they have between them in the English alphabet. These pairs are:

(C, I)
(O, M)
(M, I)
(M, T)
(N, I)
(O, N)

This means that for each pair, the number of letters between them in "COMMUNICATION" matches the number of letters between them in the English alphabet.

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