Question 358137

Here 3 consonants and 2 vowels.

A) no. of words where first letter is y = 4P4 = 4! = 24

( no. of ways to arrange 4 letters O,U,N and G on four places i.e  YXXXX )




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B)
 now, words must be in format  CVCVC
  
  where c- consonants,  v -vowels

 For first place we can put either N or G, because Y can't be on first place.

 no. of ways = 2
  
 For second place we can put either O or U.  so, no. of ways = 2

 similarly, for third place, no. of ways = 2 ( Y or remaining of N , G ) 

 For fourth place , no. of ways = 1  (only one vowel left)

 For fifth place, no. of ways = 1   (only one consonants left)

 
 so, no. of words = 2* 2 * 2 * 1 * 1 = 8  




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