Solve
-Within a Group Of \mathrm $\mathrm { n }$ People, the Number of Possible Handshakes

question 241

Multiple Choice

Solve.
-Within a group of $\mathrm { n }$ people, the number of possible handshakes, $N$ , is given by $\mathrm { N } = \frac { 1 } { 2 } \left( \mathrm { n } ^ { 2 } - \mathrm { n } \right)$ . How many handshakes are possible at a meeting if 16 people are present?

• A) 136 handshakes
• B) 120 handshakes
• C) 240 handshakes
• D) 112 handshakes

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Definitions:

Eidetic Memory

The rare ability to vividly recall images, sounds, or objects in memory with great precision and detail, often referred to as photographic memory.

Procedural Memory

A type of long-term memory responsible for knowing how to do things, such as riding a bicycle or typing, also referred to as muscle memory.

Encoding

The beginning step of converting data into a format suitable for memory storage.

Remembering

The process of retrieving information or experiences from the past, involving various cognitive mechanisms and parts of the brain.