1
KCET 2019
MCQ (Single Correct Answer)
+1
-0

If $$U$$ is the universal set with 100 elements; $$A$$ and $$B$$ are two set such that $$n(A)=50, n(B)=60, n(A \cap B)=20$$ then $$n\left(A^{\prime} \cap B^{\prime}\right)=$$

A
90
B
40
C
10
D
20
2
KCET 2017
MCQ (Single Correct Answer)
+1
-0
If $A$ and $B$ are finites sets and $A \subset B$, then
A
$n(A \cup B)=n(B)$
B
$n(A \cap B)=\phi$
C
$n(A \cap B)=n(B)$
D
$n(A \cup B)=n(A)$
KCET Subjects
EXAM MAP