Perform the Indicated Operations Without a Calculator: 42 + 158

question 27

Multiple Choice

Perform the indicated operations without a calculator: 42 + 158 + 780 + 2 =

• A)981
• B)982
• C)11,192
• D)971

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Definitions:

IQ

An abbreviation for Intelligence Quotient, a score derived from standardised tests designed to measure human intelligence and cognitive abilities.

Mental Age

A measure of an individual's cognitive ability compared to the average cognitive ability of an age group.

IQ

Stands for Intelligence Quotient, a standardized score designed to measure human intelligence through various cognitive tasks and assessments.

Normally Distributed

A statistical term describing a distribution that has a specific bell-shaped symmetry around its mean.