Question 9

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Jambmaths question: 

If P is a set of all prime factors of 30 and Q is a set of all factors of 18 less than 10, find $P\cap Q.$

Option A: 

{3}

Option B: 

{2, 3}

Option C: 

{2,3, 5}

Option D: 

{1, 2}

Jamb Maths Solution: 

$\begin{align}  & P=\{2,3,5\} \\ & Q=\{1,2,3,6,9\} \\ & P\cap Q=\{2,3\} \\\end{align}$

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