Exams › SSC CGL (Prelims) › General

A group of 16 people sit in a circle. Each person shakes hands with exactly 2 neighbors. How many handshakes take place?

1. 24
2. 16
3. 32
4. 48

Correct answer: 16

Solution

There are 16 people, and each person shakes hands with 2 neighbors, giving 32 counted handshakes. Since each handshake is counted twice, the actual number is 16. So the answer is 16.

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