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At least 33 marks are needed to pass an examination. If Ravi's marks are m, which inequality is correct?

Answer and explanation

Correct answer: m ≥ 33

The governing language rule is that “at least” includes the stated minimum value. Since the passing requirement is 33 marks, Ravi passes when his marks are exactly 33 or any number greater than 33. Mathematically, this is written as m ≥ 33. The equality sign is essential because m = 33 must be accepted. Option B, m > 33, would incorrectly reject a student scoring exactly 33. Options C and D describe marks no greater than or below 33, which represent the opposite condition and would include failing scores. Thus option A correctly translates the verbal condition into an inequality. This is a one-variable linear inequality because the variable m appears only to the first power.

Related tags

Linear InequalitiesWord ProblemsAt LeastAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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