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Tamil Nadu Board of Secondary EducationHSC Commerce Class 11

Find the number of arrangements that can be made out of the letters of the word “ASSASSINATION”.

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Question

Find the number of arrangements that can be made out of the letters of the word “ASSASSINATION”.

Numerical
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Solution

The number of letters of the word “ASSASSINATION” is 13.

The letter A occurs 3 times

The letter S occurs 4 times

The letter I occur 2 times

The letter N occurs 2 times

The letter T occurs 1 time

The letter O occurs 1 time

∴ Number of arrangements = `(13!)/(3!4!2!2!1!1!) = (13!)/(3!4!2!2!)`

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Chapter 2: Algebra - Exercise 2.3 [Page 36]

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