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Which option correctly represents T={2,3,5,7}?

Answer and explanation

Correct answer: T={x: x is a prime number less than 10}

The governing idea is set-builder description: a condition must produce every member of the given set and no extra member. The prime numbers less than 10 are exactly 2, 3, 5, and 7, so option A matches T. Odd numbers would also include 1 and 9; even numbers would include 2, 4, 6, and 8; divisors of 10 are 1, 2, 5, and 10. Therefore A is unambiguous.

Related tags

SetsPrime NumbersSet-Builder FormGeneral Chapter PracticeCommon QuestionsCommonMathematicsClass 9 Mcq

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