A motor cyclist goes from Mumbai to Pune, a distance of 192 km, at an average speed of 32 km/h. Another man starts from Mumbai by car, \[\frac{21}{2}\]h after the first and reaches Pune half an hour earlier. What is the ratio of the speeds of the motor cycle and the car? |
A) 10 : 27
B) 1 : 3
C) 1 : 2
D) 5 : 4
Correct Answer: C
Solution :
Time taken by motor cyclist \[=\frac{192}{32}=6h\] |
Time taken by car \[=6-(2.5+0.5)=3\,\,h\] |
\[\therefore \]Required ratio\[=3:6=1:2\] |
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