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# Mathe problem solving

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Intern
Joined: 06 Sep 2018
Posts: 1

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06 Sep 2018, 14:26
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Two trains A and B start from Howrah and Patna towards Patna and Howrah respectively at the same time. After passing each other, they take 4h 48 min and 3h 20 min to reach Patna and Howrah, respectively. If the train from Howrah is moving at 45 km/h, then the speed of the other train is?

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Intern
Joined: 14 Jun 2018
Posts: 47
Location: India

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06 Sep 2018, 17:53
mehedi7024 wrote:
Two trains A and B start from Howrah and Patna towards Patna and Howrah respectively at the same time. After passing each other, they take 4h 48 min and 3h 20 min to reach Patna and Howrah, respectively. If the train from Howrah is moving at 45 km/h, then the speed of the other train is?

Posted from my mobile device

288 min = 45 km/h
200 min = x km/h

therefore,

x= (288 x 45)/ 200
= 64.8 or 65 Km/h

Hope it helps! give a kudos!
MBA Section Director
Affiliations: GMATClub
Joined: 22 May 2017
Posts: 2526
GPA: 4
WE: Engineering (Computer Software)

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06 Sep 2018, 21:28
mehedi7024 wrote:
Two trains A and B start from Howrah and Patna towards Patna and Howrah respectively at the same time. After passing each other, they take 4h 48 min and 3h 20 min to reach Patna and Howrah, respectively. If the train from Howrah is moving at 45 km/h, then the speed of the other train is?

Posted from my mobile device

mehedi7024

https://gmatclub.com/forum/rules-for-po ... 33935.html
_________________
Re: Mathe problem solving   [#permalink] 06 Sep 2018, 21:28
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