GONITZOGGO Combination

Anyone can help me to solve the problem? Please.

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This is a pretty easy problem. I think you should learn something about combinatorics to solve this kind of problem…
You can read “কম্বিনেটরিক্সের হাতেখড়ি” to develop your basic combonatorial knowledge…

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In the word GONITZOGGO, there are 10 letters and G,O have came 3 times. So we can arrange it in 10!/(3!3!) ways

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Thanks for your help.

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Finally!! I have solved it.

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Thanks for your hints :+1::+1::+1::+1:

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