Vidhi is creating a $3$ -letter code using the letters A, B and C. She has decided that each letter will only be used once in the code. How many different $3$ -letter codes can Vidhi create ?

3

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6

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9

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12

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Solution

The correct option is A $6$
Using the letterS Vidhi can create $^{'} 6^{'}$ codes
$A B C, B A C, C A B, C B A, B C A, A C B$
Hence option B is answer.

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