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In how many ways can the letters of the word PERMUTATIONS be arranged if the (i) words start with P and end with S? (ii) vowels are all together? (iii) there are always 4 letters between P and S? |
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Answer» In how many ways can the letters of the word PERMUTATIONS be arranged if the (i) words start with P and end with S? (ii) vowels are all together? (iii) there are always 4 letters between P and S? |
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