20 men handshake with each other without repetition. What is the total number of handshakes made? Options: A . &nbsp190 B . &nbsp210 C . &nbsp150 D . &nbsp250 E . &nbspNone of these

20 men handshake with each other without repetition. What is the total number of

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20 men handshake with each other without repetition. What is the total number of handshakes made?

Answer: Option A

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