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How many different words can be formed by using all the letters of word ‘SCHOOL’? |
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Answer» Since ‘SCHOOL’ has 6 letters, out these 6 letters there is 20’s Hence number of permutations =\(\frac{6!}{2!}\) = 6 × 5 × 4 × 3 × 2 × 1 2 = 360 |
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