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Find the number of ways in which all the...

Find the number of ways in which all the letters of the word 'COCONUT' be arranged such that at least one 'C' comes at odd place.

Text Solution

Verified by Experts

The correct Answer is:
1080
We have letters (C, C),(O,O),N, U, T
Required number of ways=Total number of ways without any restriction -when no C comes at odd place
`=(7!)/(2!2!)- .^(3)C_(2)xx(5!)/(2!)=1080`
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