How many such pairs are letters are there in the word OVERWHELM each of which has as many letters between them in the word as in the English alphabet ?
OVERWHELM
We can start with the first letter and start forming pairs. OV is not a possible pair as they have 6 letters between them in english alphabets, but here there are none. Moving on to OE, it is again not a possible pair. OR is a possible pair as it has 2 letters between them which is same as that in english alphabets. Checking in the similar manner, we get OR EH RM LM as possible pairs so the correct option is option 5.
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