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Quantitative Ability
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In how many different ways can the letters of the word 'OPTICAL' be arranged, so that the vowels always come together?
AnswerClick to flip back
A
720
💡 Explanation:
Treat all the vowels as a single letter, i.e. 'OIA'.
The 5 letters can be arranged in 5! ways.
The vowels can be arranged among themselves in 3! ways.
So, the required number of ways = 5! * 3! = 720