A motorcyclist goes from Bombay to Nagpur, a distance of 600 kms at an average of 120 kmph speed. Another man starts from Bombay by car 1 Â½ hours after the first, and reaches Nagpur Â½ hour earlier. What is the ratio of the speed of the motorcycle and the car?
Select the correct option:
A) 1:2  B) 1:7  C) 1:9  D) 3:5  E) 1:1
T = 600/120= 
<gadget id="calculator">600/120</gadget>
<output>5</output>
5 h   T= 5 - 2= 
<gadget id="calculator">5 - 2</gadget>
<output>3</output>
3   Time Ratio= 5:3   Speed Ratio = 3:5   Answer: 3:5
<result>D</result>
A motorcyclist goes from Bombay to Nagpur, a distance of 600 kms at an average of 120 kmph speed. Another man starts from Bombay by car 1 Â½ hours after the first, and reaches Nagpur Â½ hour earlier. What is the ratio of the speed of the motorcycle and the car?