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CBSE Class 11-science Answered

How many 4 letters words can be formed by usign the words" I I T J E E" with no repetation?
 
Asked by Mihir Siwach | 23 Aug, 2014, 04:28: PM
answered-by-expert Expert Answer
In the word "I I T J E E", the letters "I" and "E" are repeating twice.
 
Thus, the different letters are "I", "T", "J" and "E".
 
The first letter can be filled in 4 different ways.
 
The second letter can be filled in 3 different ways.
 
The third letter can be filled in 2 different ways.
 
The fourth letter can be filled in one way.
 
Thus, the total number of arrangements equals 4 cross times 3 cross times 2 cross times 1 equals 24
Answered by Vimala Ramamurthy | 25 Aug, 2014, 08:39: AM

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