Question:medium
In a business meeting, each person shakes hands with each other person once. A person arrives after 5 people have left and he shakes hands only with those present. If the total number of handshakes is exactly 100, then the initial number of people in the party, is
In a business meeting, each person shakes hands with each other person once. A person arrives after 5 people have left and he shakes hands only with those present. If the total number of handshakes is exactly 100, then the initial number of people in the party, is
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For quadratic equations where the constant term is around 200 (like 210), look for factors near \(\sqrt{200} \approx 14.1\). Here, \(14 \times 15 = 210\) makes the solution immediate.
Updated On: Jun 24, 2026
- 12
- 13
- 14
- 15
- 16
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The Correct Option is C
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