Student: A motorcyclist goes from Nagpur to Pune, a distance of 500 kms at an average of 100 kmph speed. Another man starts from Nagpur by car 3 Â½ hours after the first, and reaches Pune Â½ hour earlier. What is the ratio of the speed of the motorcycle and the car?\nOptions:\n(A) 1:2\n(B) 1:7\n(C) 3:5\n(D) 1:5\n(E) 1:1.
Another student: Let's say, hmmm...

User
T = 500/100 = 10 h\nT = 10 - 4 = 6\nTime Ratio = 10:6 = 5:3\nSpeed Ratio = 3:5 Final answer: (C).
Assistant