In how many ways can the letters of the word "ANSWER" can be arranged so that the vowels are always together.
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Step-by-step explanation:
ANSWER.. or AENSWR
let AE be a single unit. then,
total no. of ways = arranging 5 units in 5 different places ans intetnal arrangement of vowels
= 5! × 2!
= 120×2
=240
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