Mathematics · Permutations and Combinations
A palindrome is a word that reads the same backwards and forwards. For example, the word LEVEL is a palindrome. If we are allowed to construct words that need not have a meaning, then in how many different ways can we construct a five-letter palindrome u sing the English alphabet?
- 126 × 26 × 26 × 26 × 26
- 226 × 26 × 26✓
- 326 × 26
- 426 × 25 × 24
Correct answer
26 × 26 × 26
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