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To pass an examination, the marks must not be less than 40. If the marks obtained are \(m\), which inequality is correct?

Answer and explanation

Correct answer: \(m\geq 40\)

“Not less than 40” means the marks can be equal to 40 or greater than 40. Hence, the correct inequality is \(m\geq 40\). Option A incorrectly excludes the case \(m=40\), even though exactly 40 marks satisfy the passing condition. Exam tip: translate “not less than” as \(\geq\) and “not more than” as \(\leq\).

Related tags

Linear InequalitiesInequality SymbolsWord ProblemsIntroduction To InequalitiesMathematicsClass 11 Mcq

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