How many meaningful four-letter English words can be formed using the first, second, third, and fifth letters of the word 'PROVERB' (when counted from left to right), using each letter only once in each word?
Show answer & explanation
Correct answer: A
Explanation
Answer: 2 words
Working:
Word: P-R-O-V-E-R-B (positions 1 to 7)
Position 1 = P
Position 2 = R
Position 3 = O
Position 5 = E
Selected letters: P, R, O, E
Meaningful four-letter words possible using each letter exactly once:
- ROPE (R-O-P-E) ✓
- PORE (P-O-R-E) ✓
Total meaningful words = 2