NCERT Exercise 1.3 Q8 - Sets
Question: A={1,3,5}, B={2,4,6}, C={0,2,4,6,8}. Which proposed sets are universal sets for A, B and C: (i) {0,1,2,3,4,5,6}; (ii) empty set; (iii) {0,1,2,3,4,5,6,7,8,9,10}; (iv) {1,2,3,4,5,6,7,8}?
Answer: Only (iii) is a universal set for all three sets.
Full step-by-step NCERT solution with diagrams on Something by Zero.