1. Rohit walks at 17 km/hr and Ruchira cycles at 22 km/hr towards each other. What was the distance between them when they started if they meet after 44 minutes?
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By: anil on 05 May 2019 02.10 am
Speed of Rohit = 17 km/hr and speed of Ruchira = 22 km/hr They are travelling towards each other, thus relative speed = 17 + 22 = 39 km/hr Time taken = 44 min = $$frac{44}{60}$$ hr = $$frac{11}{15}$$ hr Distance = speed $$ imes$$ time = $$39 imes frac{11}{15} = frac{143}{5}$$ = $$28.6$$ km => Ans - (D)
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