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Class 10MathematicsSetsPower Set and SubsetsEasyLevel 10

Which set is a subset of R?

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Answer and explanation

Correct answer: Z

R denotes the set of real numbers, and every integer is a real number. Consequently, every element of Z belongs to R, so Z ⊆ R. The number i is the imaginary unit, and expressions such as i and 2 + i are non-real complex numbers. Thus the imaginary-number choices are not subsets of R, making A the only correct answer.

Tags

real-numbersintegerssubsetscomplex-numbersPower Set and SubsetsSetsMathematicsClass 10 MCQ

Frequently asked questions

What is the correct answer to this question?

Z

Why is this the correct answer?

R denotes the set of real numbers, and every integer is a real number. Consequently, every element of Z belongs to R, so Z ⊆ R. The number i is the imaginary unit, and expressions such as i and 2 + i are non-real complex numbers. Thus the imaginary-number choices are not subsets of R, making A the only correct answer.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Sets. Topic: Power Set and Subsets.

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