There are 25 children in a class. Of these, 12 are in the school play and 18 are in the school choir

Question

There are 25 children in a class. Of these, 12 are in the school play and 18 are in the school choir. $P$ and $C$ represent the sets of children in the class who are in the school play and in the school choir respectively.
Find

$n(P')$
the smallest possible value of $n(P \cap C)$

Accepted Answer

(i) $13$ (ii) $5$

Sets - Venn Diagrams, Universal Sets and Complement of a Set

Sets - Venn Diagrams, Universal Sets and Complement of a Set

Video Solution:

Solution:

Solution locked