Two boat are travelling with speed of 36 km/hr and 54 km/hr respectively towards each other. What is the distance (in metres) between the two boats one second before they collide?
Relative speed of boats (since they are travelling towards each other = $$36+54=90$$ km/hr
= $$(90\times\frac{5}{18})$$ m/s = $$25$$ m/s
Distance between them one second before they collide = Distance covered in 1 second = 25 m
=> Ans - (C)
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