Find the cardinal number of the set.
- Given:
$\text { } \begin{aligned}
& n ( U ) = 60 \
& n ( A ) = 35 \
& n ( B ) = 20 \
\end{aligned}$
$n ( A \cap B ) $=4
Find $n ( A \cup B ) ^ { \prime }$.

A) 51
B) 55
C) 9
D) 5

Question

Find the cardinal number of the set.
- Given: 
$\text { } \begin{aligned}
& n ( U ) = 60 \
& n ( A ) = 35 \
& n ( B ) = 20 \
\end{aligned}$
$n ( A \cap B ) $=4
Find $n ( A \cup B ) ^ { \prime }$.

A) 51 
B) 55 
C) 9 
D) 5

Quizplus · Accepted Answer

The Answer of Find the cardinal number of the set.
- Given: 
$\text { } \begin{aligned}
& n ( U ) = 60 \
& n ( A ) = 35 \
& n ( B ) = 20 \
\end{aligned}$
$n ( A \cap B ) $=4
Find $n ( A \cup B ) ^ { \prime }$.

A) 51 
B) 55 
C) 9 
D) 5

Find the Cardinal Number of the Set n(U)=60n(A)=35n(B)=20\text { } \begin{aligned}& n ( U ) = 60 \\& n ( A ) = 35 \\& n ( B ) = 20 \\\end{aligned} ​n(U)=60n(A)=35n(B)=20​

Find the Cardinal Number of the Set $\text { } \begin{aligned}& n ( U ) = 60 \\& n ( A ) = 35 \\& n ( B ) = 20 \\\end{aligned}$