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Different words are formed with the help...

Different words are formed with the help of letters of the word SIGNATURE. Find the number of words in which
no two letters from N, T and R come together

A

`""^(7)C_(4) xx 3! xx 4!`

B

`""^(7 )C_(2) xx 2! xx 5! `

C

`""^(7)C_(6) xx 3! xx 6`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
D
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