Question 4

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Jambmaths question: 

A man invested N5000 for 9 months at 4%. What is the simple interest?

Option A: 

N130 

Option B: 

N250

Option C: 

N220 

Option D: 

N150

Jamb Maths Solution: 

$\begin{align}  & \text{Convert 9 months to years, will yeild }\frac{9}{12}=0.75years \\ & I=\frac{P\times T\times R}{100} \\ & P=5000,\text{ }T=0.75,\text{ }R=4percent \\ & I=\frac{5000\times 0.75\times 4}{100}=N150 \\\end{align}$

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