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In a 300 m race A beats B by 22.5 m or 6 seconds. B's time over the course is:
Answer & Solution
Correct Answer:
Option
B
$$\eqalign{
& {\text{B runs}}\frac{{45}}{2}{\text{m in 6 sec}} \cr
& \therefore {\text{B covers 300m in}} \cr
& = \left( {6 \times \frac{2}{{45}} \times 300} \right)\sec \cr
& = 80\,{\text{sec}} \cr} $$
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