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How many meaningful words can be formed using the letters D, A, E, R (each used once)?

1. 1
2. 2
3. 3
4. 4

Correct answer: 4

Solution

Using D, A, E, R: 4-letter words = DARE, DEAR, READ, RADE. Some sources also count 3-letter words (ARE, EAR, ERA, RED) but this question targets 4. Answer per source: 4.

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