MTH-2215: Applied Discrete Mathematics: Quiz 1 Question and answers 100% correct 2026

MTH-2215: Applied Discrete
Mathematics: Quiz 1 Question and
answers 100% correct 2026
Let A = {1,3,5,a} and B = {a,b,c,d,3}. Find A∩B - correct answer ✔{a,3}



If we let A = {1,3,4} and B = {1,2,3,4,5,t,h,e} then A⊆B - correct answer ✔true



Express the set {-1,0,1,2,3} in set-builder notation. - correct answer ✔{x | -2 < x < 4}



Find the cardinality of {a,1,b,c}. - correct answer ✔4



Let A = {7,8,9} and B = {Ø}. Find A ∪ B. - correct answer ✔{7,8,9,Ø}



Find the bitwise AND of the two bit strings 1110 and 0101. - correct answer ✔0100



Let A = {0,1} and B = {r,t,y}. Then

A x B = {(r,0), (r,1),(t,0),(t,1),(y,0)(y,1)}. - correct answer ✔False



Let A = {7, {7}, {7,{7}}} and B = {7,{7}}. Is B⊂A? - correct answer ✔Yes



{1,3} ∈ {1,3,{1}},{3}} - correct answer ✔False



Find |A|, where A ={3,{3},2,{2,3}}. - correct answer ✔4