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प्रश्न
Which of the following is correct?
पर्याय
{7} ∈ {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
7 ∈ {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
7 ∉ {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
{7} ⊄ {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
उत्तर
7 ∈ {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
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