Question 13

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waecmaths question: 

Given that $P=\{x:1\le x\le 6\}$ and $Q=\{x:2<x<10\}$ , where x is an integers. Find $n(P\cap Q)$

Option A: 

4

Option B: 

6

Option C: 

8

Option D: 

10

waecmaths solution: 

$\begin{align}  & P=\{1,2,3,4,5,6\} \\ & Q=\{3,4,5,6,7,8,9\} \\ & P\cap Q=\{3,4,5,6\} \\ & n(P\cap Q)=4 \\\end{align}$

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