Answers

  • qais
  • Content Quality
2015-11-30T11:56:51+05:30
Word  dictionary
A- 1 times
C- 1 times 
D- 1 times
I - 2 times
N - 1 times
R - 1 times
T - 1 times
Y - 1 times
so.when I is not used then 
3 letter words will be 7×6×5= 210
4 letter words will be 7×6×5×4= 840
5 letter words will  be 7×6×5×4×3= 2520
 now when I is used then 
3 letter words = (7×6×5)/2 = 105
4 letter word = (7×6×5×4)/2= 420
5 letter words = (7×6×5×4×3)/2×= 1260

hope this is the best ans and it's explanation
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sorry...when I is used it will be 3 letter words= (8*7*6)/2= 168
4 letter words = (8*7*6*5)/2= 740
and 5 letter words = (8*7*6*5*4)/2= 3360
2015-11-30T14:32:08+05:30
3 letter word not
4 letter word city
6 letter word nation
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