Let U = {4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}
X = {4, 6, 8, 10, 12, 14}
Y = {4, 5, 6, 7, 8, 9}
Z = {5, 7, 8, 9, 12, 13, 14}.
B) = {4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}
C) = {4, 5, 6, 7, 8, 9, 10, 12, 13, 14}

Question

Let U = {4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}
X = {4, 6, 8, 10, 12, 14}
Y = {4, 5, 6, 7, 8, 9}
Z = {5, 7, 8, 9, 12, 13, 14}. 
B) = {4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14} 
C) = {4, 5, 6, 7, 8, 9, 10, 12, 13, 14}

Quizplus · Accepted Answer

The Answer of Let U = {4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}
X = {4, 6, 8, 10, 12, 14}
Y = {4, 5, 6, 7, 8, 9}
Z = {5, 7, 8, 9, 12, 13, 14}. 
B) = {4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14} 
C) = {4, 5, 6, 7, 8, 9, 10, 12, 13, 14}