Question

In how many permutations of the word 'EQUATION' ,the vowels occur in alphabetical order ?

Answer 1

Answer:

This is obvious as "A before E" and "E before A" are equally likely and exclusive(nothing other than these two can happen) events. So both must have probability 1/2. Hence in half of the words, vowels are in alphabetical order. Hence, answer is 720/2=360.

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

there are five such words in the meaning as like e q u a i o