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If D = {1, 2, 3, 4, 5}, which statement is true?

Answer and explanation

Correct answer: 3 ∈ D

The symbol ∈ means “is an element of” or “belongs to.” To check a membership statement, compare the number on the left with every element listed in the set D. The number 3 appears in D, so 3 ∈ D is true. The numbers 6, 0, and 7 are absent, making options B, C, and D false. Therefore, option A is correct.

Related tags

SetsSet MembershipElement SymbolClass 9 MathematicsGeneral Chapter PracticeCommon QuestionsCommonMathematics

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