A) 2 : 3
B) 4 : 3
C) 4 : 5
D) 8 : 9
Correct Answer: C
Solution :
[c] \[\because \]Speed of first bus \[\text{=}\frac{\text{Distance}}{\text{Time}}\] \[\text{=}\frac{300}{15/2}=40\,km/h\] and speed of second bus \[=\frac{450}{9}=50\,km/h\] \[\therefore \] Ratio of speeds of both buses \[=\frac{40}{50}=4:5\] |
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