Question

Use the given figure to find :
Given, $n($ $\xi$ $)=52$, $n\left(A\right)=43$ and $n\left(B\right)=27$.

$n(A-B)$

Answer 1

$n$($ϵ$) $=52$

$n\left(A\right)=43$

$n\left(B\right)=27$

$n(A-B)=n\left(A\right)-n\left(B\right)$

$=43-27$

$=16$