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If a > b and 5 is added to both sides, which statement is always true?

Answer and explanation

Correct answer: a + 5 > b + 5

The governing concept is the addition property of inequalities: adding the same real number to both sides preserves the original order. Since a > b, adding 5 to the left side and 5 to the right side gives a + 5 > b + 5. The inequality sign does not reverse because reversal occurs only when both sides are multiplied or divided by a negative number. Option B contradicts the given order, while option C is not obtained from the stated operation and is generally false. Option D changes only one side by multiplication and is not guaranteed. Therefore, option A is the only statement that must always be true.

Related tags

Linear InequalitiesAddition PropertyInequality RulesClass 11 MathematicsIntroduction To InequalitiesMathematicsClass 11 Mcq

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