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06 Jul 2019, 11:44
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How many 5 letter words can be formed using all the letters of the word RAVEN such that the word starts and ends with a vowel ?
A. 60
B. 48
C. 12
D. 72
E. 6
A. 60
B. 48
C. 12
D. 72
E. 6
06 Jul 2019, 12:25
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For the first place we have got just two choices,vowel sounds
and second, third ,and forth,3,2,and1 respectively and finally 1 choice for the last place.
So, 2×3×2×1×1=12
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and second, third ,and forth,3,2,and1 respectively and finally 1 choice for the last place.
So, 2×3×2×1×1=12
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06 Jul 2019, 13:05
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The words which start and end with a vowel and use all the letters of the word
RAVEN are E---A or A---E. The remaining 3 letters can be filled in 3!(6) ways
Therefore, a total of 2*6 or 12(Option C) 5 letter words can be formed.
RAVEN are E---A or A---E. The remaining 3 letters can be filled in 3!(6) ways
Therefore, a total of 2*6 or 12(Option C) 5 letter words can be formed.
