3.There are 6 people in a room. Each person shook hands with each othe – InterviewSolution

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3.There are 6 people in a room. Each person shook hands with each other only once. Find the totalnumber of handshakes that took place.[A] 10[B] 6[C] 8[D] 15

Answer»

Here n= 6 n-1= 5so total hand shakes= 6*5/2= 15

answer is 15. this is the correct answer

d) 15 is the correct answer

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