Discuss Forum
1.
At a party , everyone shook hands with everybody else. There were 66 handshakes . How many people were there in the party ?
- A. 13
- B. 13
- C. 13
- D. 13
Answer: Option D
Explanation:
12C2 = 12 ×11 / 2 = 66 handshakes
So, total number of people in the party were 12.
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