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Total number of arrangement of letters of the word TIKTAK if no two same letters are next to each other is?

Profile image of Suraj Kumar
6 Years agoGrade
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1 Answer

Profile image of Arun
6 Years ago
For TTKK,
 
We have 4! /2! = 12 ways
 
Now for sure, we have to fill I and A in between hence only 2 ways
 
Hence total arrangements = 12 *2 = 24

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