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Let A={1,2}, B={2,4}, C={4,5,6}. Which of the following may be considered as the universal set for set A, B, C?(a) {1,6,7,8,9}(b) {1,2,3,4}(c) {2,4,5,6}(d) {1,2,3,4,5,6}I have been asked this question in homework.My doubt stems from Universal Set in section Sets of Mathematics – Class 11

Answer»

The CORRECT choice is (d) {1,2,3,4,5,6}

To EXPLAIN: UNIVERSAL set is the set which is superset of all basic sets of that TYPE.

{1,2,3,4,5,6} is the set which contains all the elements of set A, B, C.


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