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Let A= {2,3,5} and B= {3,5,7}. Which of the following is true?(a) A⊂B(b) B⊂A(c) A=B(d) A⊂AThis question was posed to me in an interview for job.This is a very interesting question from Subsets in division Sets of Mathematics – Class 11 |
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Answer» RIGHT option is (d) A⊂A Explanation: Since every set is subset of itself so A⊂A and B⊂B. Since every ELEMENT of set A is not in set B so, A is not a subset of B. ALSO, every element of set B is not in set A so, B is not a subset of A. HENCE, A≠B. |
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