Question:
Everybody in a room shakes hands with everybody else. The total number of handshakes is 66. Then the total number of persons in the room is:
Everybody in a room shakes hands with everybody else. The total number of handshakes is 66. Then the total number of persons in the room is:
Updated On: Sep 3, 2024
- 11
- 12
- 13
- 14
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The Correct Option is B
Solution and Explanation
The correct option is (B): 12
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