First slide

Operations on Sets

Question

In a class $60 %$ passed their Physics examination and $58 %$ passed in Mathematics. Atleast what percentage of students passed both their Physics and Mathematics examination?

Moderate

A

$18 %$
B

$17 %$
C

$16 %$
D

$2 %$

Solution

$\begin{array}{l} n (P) = 60, n (M) = 58, n (P \cup M) = 100, N (P \cap M) \\ = n (P) + M (M) - n (P \cup M) \end{array}$

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