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 Class 12 re-evaluation portal faces technical glitch, services to resume by 2 pm
CBSE extends deadline to download Class 12 answer sheets till May 23; re-evaluation from May 26
‘Try again in sometime’: CBSE claims re-evaluation facility functioning properly; students flag login issues
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