One five letter word is to be formed taking all letters – U, Z, M, O and Q. What is the probability that this is word formed will contain all vowels together?
Total words that can be formed is 5!= 120 Now, vowels together Take: Z M Q and UO. So, their arrangement is 4!× 2!= 48 So, required probability =`48/120=2/5`
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