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Multiple choice

In how many different ways the letters of the word 'HAPPINESS' can be arranged?

  1. 181440

  2. 362880

  3. 90720

  4. 30240

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The word HAPPINESS has 9 letters with P appearing twice and S appearing twice. Using the formula for permutations of multiset: 9!/(2! × 2!) = 362880/4 = 90720 distinct arrangements.

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