Aptitude tests measure: a. the cognitive abilities that intelligence tests measure. b. learning that has occurred as a result of exposure to a relatively defined learning experience. c. learning that has occurred informally through life experiences. d. learning that has occurred through formal structured input.

c. Learning that has occurred informally through life experiences

Explanation: Aptitude test is used to determine a candidates level of intelligence, abilities, and skills in different areas, this test helps to discover inherent abilities of a person to perform in certain areas of task. It is widely used by top organizations during their recruitment exercise to get the best candidate for a particular position.

•Note: In undergoing an aptitude test, no previous knowledge is put into consideration.

There are various types of aptitude tests and they are adopted based on the area of skills to be discovered, a few of them includes

• Numerical test: It is used to test ones ability in calculations, figures or numbers, charts, graphs, etc.

•Verbal test: It is used to test verbal skills, ability to interpret information and get the best out of it.

•Cognitive ability test: used to determine a candidate's level of intelligence, therefore it covers so many areas.

•In-tray test is used to determine time and resource management skills

Others includes; diagrammatic test, abstract reasoning, mechanical reasoning test etc.

the assumption the narrator makes in this excerpt is that the messages he heards were going to hurt the narrator's mom; the narrator just springs in to action. the narrator doesn't specify in this excerpt why he believes that the messages present a problem that requires protection.

answer; (15,000)workers each