Question 35

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waecmaths question: 

A train moving at uniform speed, covers 36km in 21 minutes. How long does it take to cover 60km

Option A: 

35 minutes

Option B: 

40 minutes

Option C: 

45 minutes

Option D: 

90 minutes

waecmaths solution: 

$\begin{align}  & 36km\to 21\min  \\ & 60km=\frac{21\times 60}{36}\min =35\min  \\\end{align}$

maths year: