Permutation & Combination · Question 22 · Medium
In how many arrangements of the letters of the word TABLE do the vowels occupy only the 2nd and 4th positions?
- 24
- 36
- 6
- 12
Answer and explanation
Answer: D. 12
Explanation: The vowels A and E fill positions 2 and 4 in 2! ways, and T, B, L fill the other three positions in 3! ways: 2 × 6 = 12.
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