a) 60 m
b) 40 m
c) 20 m
d) 10 m
Answer: c
Explanation: To reach the winning post A will have to cover a distance of (500 – 140)m, i.e., 360 m.
While A covers 3 m, B covers 4 m.
While A covers 360 m, B covers $$\left( {\frac{4}{3} \times 360} \right)$$ m = 480 m.
Thus, when A reaches the winning post, B covers 480 m and therefore remains 20 m behind.
A wins by 20 m
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