Multiple choice

In how many different ways can the letters of the word "EQUATION" be arranged?

  1. 40320

  2. 20160

  3. 13440

  4. 10080

  5. None of these
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A Correct answer
Explanation

The word EQUATION has 8 distinct letters (E, Q, U, A, T, I, O, N). The number of arrangements is 8! = 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1 = 40320. This is a standard permutation problem where all letters are different.

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