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प्रश्न
How many three letter words can be made using the letters of the word 'ORIENTAL'?
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उत्तर
The word ORIENTAL consists of 8 letters. In order to make three letter words, we need to permute these 8 letters, taken three at a time.
⇒ 8P3 = 8\[\times\]7\[\times\]6 = 336
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