Question 35

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waecmaths question: 

     The pie chart shows the distribution of 600 mathematics textbooks for Arts, Business, Science and Technical classes.How many textbooks are for the Technical classes?

Option A: 

100

Option B: 

150

Option C: 

200

Option D: 

250

waecmaths solution: 

$\begin{align}  & \text{The sectorial angle representing technical class}={{360}^{\circ }}-({{90}^{\circ }}+{{75}^{\circ }}+{{45}^{\circ }})={{150}^{\circ }} \\ & \text{No of textbooks}=\frac{{{150}^{\circ }}}{{{360}^{\circ }}}\times 600=250 \\\end{align}$

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