Of Five Letters (A,B,C,D,and E),two Letters Are to Be Selected

question 85

Multiple Choice

Of five letters (A,B,C,D,and E) ,two letters are to be selected at random.How many possible selections are there?

• A)20
• B)7
• C)5!
• D)10

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Definitions:

Research Effort

The systematic and diligent work undertaken to increase the stock of knowledge, including knowledge of humans, culture, and society, and the use of this stock of knowledge to devise new applications.

Suicide Rates

The frequency at which individuals intentionally take their own lives, often measured per 100,000 individuals in a given population annually.

Bipolar Disorder

A psychiatric condition identified by significant highs and lows in emotional states, ranging from manic or hypomanic episodes to periods of depression.

Schizophrenia

A chronic psychological disorder characterized by a disconnection among cognition, affect, and conduct, resulting in distorted perceptions and unsuitable behaviors.