An aptitude is a component of a competency to do a certain kind of work at a certain level, which can also be considered “talent”. Aptitudes may be physical or mental. Aptitude is developed knowledge,understanding, learned or acquired abilities (skills) or attitude. The innate nature of aptitude is in contrast to achievement, which represents knowledge or ability that is gained through learning.

Aptitude and intelligence quotient are related, and in some ways differing views of human mental ability. Whereas intelligence quotient sees intelligence as being a single measurable characteristic affecting all mental ability, aptitude often refers to one of many different characteristics which can be independent of each other, such as aptitude for military flight, air traffic control, or computer programming. This is more similar to the theory of multiple intelligences.

Logical reasoning

Informally, two kinds of logical reasoning can be distinguished in addition to formal deduction: induction and abduction. Given a precondition or premise, a conclusion or logical consequence and a rule or material conditional that implies the conclusion given the precondition, one can explain that:
Deductive reasoning determines whether the truth of a conclusion can be determined for that rule, based solely on the truth of the premises. Example: “When it rains, things outside get wet. The grass is outside, therefore: when it rains, the grass gets wet.”Mathematical logic and philosophical logic are commonly associated with this type of reasoning.
Inductive reasoning attempts to support a determination of the rule. It hypothesizes a rule after numerous examples are taken to be a conclusion that follows from a precondition in terms of such a rule. Example: “The grass got wet numerous times when it rained, therefore: the grass always gets wet when it rains.” While they may be persuasive, these arguments are not deductively valid, see the problem of induction. Science is associated with this type of reasoning.
Abductive reasoning, aka inference to the best explanation, selects a cogent set of preconditions. Given a true conclusion and arule, it attempts to select some possible premises that, if true also, can support the conclusion, though not uniquely. Example: “When it rains, the grass gets wet. The grass is wet. Therefore, it might have rained.” This kind of reasoning can be used to develop a hypothesis, which in turn can be tested by additional reasoning or data. Diagnosticians,detectives, and scientists often use this type of reasoning.
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Aptitude & Reasoning

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