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A motorcyclist goes from city X to Y, a distance of 192Km, at an avera

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A motorcyclist goes from city X to Y, a distance of 192Km, at an avera  [#permalink]

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New post 19 Sep 2018, 00:12
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Question Stats:

73% (02:04) correct 27% (02:50) wrong based on 36 sessions

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A motorcyclist goes from city X to Y, a distance of 192Km, at an average speed of 32Kmph. Another man starts from city X by car, 2.5hrs after the motorcyclist and reaches city Y 0.5hr earlier. What is the ratio of the speed of the motorcyclist to that of the car?

1) 1:2
2) 1:3
3) 5:4
4) 2:1
5) 2:3

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Re: A motorcyclist goes from city X to Y, a distance of 192Km, at an avera  [#permalink]

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New post 19 Sep 2018, 01:22
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OA:A

Time taken by motorcyclist :\(\frac{192}{32}=6\)hrs

Time taken by car :\(6-2.5-0.5\) hrs \(=3\) hrs

The speed of car :\(\frac{192}{3}=64\) Km/hr

the ratio of the speed of the motorcyclist to that of the car : \(\frac{32}{64} =\frac{1}{2}\)
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Re: A motorcyclist goes from city X to Y, a distance of 192Km, at an avera   [#permalink] 19 Sep 2018, 01:22
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