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Which is the greatest integer satisfying the inequality \(5-x>1\)?

Answer and explanation

Correct answer: 3

Subtracting 5 from both sides of \(5-x>1\) gives \(-x>-4\). Multiplying both sides by \(-1\) reverses the inequality sign, so \(x<4\). The greatest integer less than 4 is 3; therefore, 3 is correct. Exam tip: Always reverse the inequality sign when multiplying or dividing by a negative number.

Related tags

Linear InequalitiesInteger SolutionsOne Variable AlgebraClass 11Algebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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