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Question 16.In how many ways can the letters of the word MOBILE be arranged so that vowels occupyodd places?6!4! 3!( 3! 3!2! 3! 3! |
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Answer» No. Of ways in which at least two consonants are together= total ARRANGEMENTS - arrangements in which two consonants are NEVER together. Total arrangements=6! =720 Consonants are never together= 3! ×4! =6×24=144 No. Of ways in which ATLEAST two consonants are together=720–144=576 |
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