Rehman walks at 8 km/hr and Roma cycles at 13 km/hr towards each other. What was the distance between them when they started if they meet after 36 minutes?
Speed of Rehman = 8 km/hr and speed of Roma = 13 km/hr
They are travelling towards each other, thus relative speed = 8 + 13 = 21 km/hr
Time taken = 36 min = $$\frac{36}{60}$$ hr = $$\frac{3}{5}$$ hr
Distance = speed $$\times$$ time
= $$21 \times \frac{3}{5} = \frac{63}{5}$$
= $$12.6$$ km
=> Ans - (A)
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