How many meaningful 4-letter English words can be formed using 2nd, 3rd, 4th and 5th letters of the word TEACHER, without repetition?

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Accepted Answer

1. The letters available are E, A, C, H (positions 2–5 of TEACHER).

2. All arrangements count is $4! = 24$, but only some are real words.

3. The meaningful 4-letter English words are **each** and **ache**.

4. So there are 2 words. Choice (a) is correct.

FINAL_ANSWER: a

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Answer

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