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The Numbers 0 Through 9 Are to Be Used in Code

question 48

Multiple Choice

The numbers 0 through 9 are to be used in code groups of four to identify an item of clothing. Code
1083 might identify a blue blouse, size medium. The code group 2031 might identify a pair of pants,
Size 18, and so on. Repetitions of numbers are not permitted, i.e., the same number cannot be used
More than once in a total sequence. As examples, 2256, 2562 or 5559 would not be permitted.
How many different code groups can be designed?


Definitions:

Crystallized Intelligence

The proficiency in deploying acquired knowledge and experiential learning.

Fluid Intelligence

the ability to think abstractly, reason, identify patterns, solve problems, and discern relationships without relying on acquired knowledge.

Working Memory

The capacity of the brain to hold and manipulate information in the short term for cognitive tasks such as learning, reasoning, and comprehension.

Short-Term Memory

A part of the memory system where small amounts of information can be kept for a short period of time, typically from a few seconds to a minute.

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