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How many diff...

Question

How many different words can be formed using the letters of the word 'TEXTBOOK'?

A

10240

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B

10120

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C

10080

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D

8!

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Solution

The correct option is C $10080$
TEXTBOOK.
Total no.of words $= \frac{8!}{2! \times 2!}$
$= \frac{40320}{4} = 10080$ ways

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