Q 1: A = {1,2,3,4,5}, B = {7,8} and C = {1,3,5} Find A È (B È C). None f these {1,2,3,4,5,6,7,8} {1,2,3,4,5,7,8} {1,2,4,5,6,7,8}

Q 2: B = {x/x+5 = 5}, x Î W. An empty set Not an empty set

Q 3: D = {1,2,3}, Find out the number of proper subsets.
8 7 6

Q 4: A = {10,12}, B = {12,13} and C = {12} find AÇ(BÇC)
{12} None of these {12,13} {10,12}
