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If \(x\) is a natural number, where natural numbers are taken to start from 1, and \(x\le 6\), what is the solution set?

Answer and explanation

Correct answer: \(\{1,2,3,4,5,6\}\)

The question specifies that natural numbers start from 1. Therefore, the natural numbers satisfying \(x\le 6\) are \(1,2,3,4,5,6\). Since the inequality sign is \(\le\), the boundary value 6 is included in the solution set. Option B incorrectly includes 0, which is excluded under the convention stated here. In an exam, remember that \(\le\) and \(\ge\) include the boundary value.

Related tags

Linear InequalitiesNatural NumbersSolution SetInequality SymbolsIntroduction To InequalitiesMathematicsClass 11 Mcq

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