Question 44

Jambmaths question: 

The mean of 2 – t, 4 – t, 3 – 2t, 2 + t and t –1 is

Option A: 

t

Option B: 

2

Option C: 

–2 

Option D: 

t

Jamb Maths Solution: 

$\begin{align}  & \text{Mean }=\bar{x}=\frac{2-t+4+t+3-2t+2+t+t-1}{5} \\ & x=\frac{10}{5}=2 \\\end{align}$

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