In a birthday party, every person shakes hand with every other person. If…

PYQ Infosys 2025

In a birthday party, every person shakes hand with every other person. If there were a total of 28 handshakes in the party, how many persons were present?

  1. A.

    8

  2. B.

    9

  3. C.

    6

  4. D.

    7

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