1.

If \[U=\left\{ 1,\text{ }7,\text{ }11,\text{ }13,\text{ }15,\text{ }18,\text{ }21,\text{ }32,\text{ }35,\text{ }39 \right\},\]then which of the following is not a subset of U.

A. \[A=\left\{ 1,\text{ }18,\text{ }7,\text{ }35 \right\}\]
B. \[B=\left\{ 21,\text{ }11,\text{ }35,\text{ }7,\text{ }13 \right\}\]
C. \[C=\left\{ 7,\text{ }18,\text{ }32,\text{ }11 \right\}\]
D. \[D=\left\{ 1,\text{ }7,\text{ }18,\text{ }15,\text{ }13,\text{ }2 \right\}\]
E. None of these
Answer» E. None of these


Discussion

No Comment Found