A person has to travel a distance of 30 km. He finds that he has covered $$\frac{5}{6}$$ of the distance in 3 hours and 20 minutes. what is his speed in km/h?
Speed = distance/time
= $$(\frac{5}{6}\times30)\div(3\frac{1}{3})$$
= $$25\times\frac{3}{10}$$
= $$7.5$$ km/hr
=> Ans - (B)
Create a FREE account and get: