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If A is set of natural numbers, B is set of odd natural numbers and C is set of even natural numbers, then find B∪C.

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in Mathematics - Class 11 by (789k points)
If A is set of natural numbers, B is set of odd natural numbers and C is set of even natural numbers, then find B∪C.

(a) A

(b) B

(c) C

(d) B-C

This question was addressed to me during an internship interview.

This interesting question is from Operation on Sets-2 topic in chapter Sets of Mathematics – Class 11

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The correct answer is (a) A

Easiest explanation: Set which contains all odd natural numbers as well as all even natural numbers is set of natural numbers. So, B∪C=A.

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