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I think this one is about permutation or combinatio, im not really sure which one of them Read and analyze the given problem. Write your

I think this one is about permutation or combinatio, im not really sure which one of them

Read and analyze the given problem. Write your solution and final answer.

In a gathering, each of the guests shook hands with everybody else. If a total of 105 handshakes were made, how many guests were there?

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