Question

How many different words (with or without meaning) can be made using all the vowels at a time

Answer 1

5P5= 5! = 5*4*3*2*1=120

Answer 2

5! words can be made using all the vowels at a time which are with or without meaning
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as there are 5 vowels and we can use those vowels once 

5! = 5 x 4 x 3 x 2 x 1

=120words