Q.1 Find the union of each of the following pairs of sets :
(i) X = {1, 3, 5} Y = {1, 2, 3}
Union of X and Y is X Y = {1,2,3,5}
CBSE Results 2024: Last 9 years’ CBSE Class 10, 12 result date and time; links to check score
CBSE Board exams twice a year from 2025, no plan for semesters: MoE
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
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