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cycling man-rate problm

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cycling man-rate problm

by Ozlemg » Sat Aug 20, 2011 6:04 am
A man cycling along the road noticed that every 12 minutes a bus overtakes him and every 4 minutes he meets an oncoming bus. If all buses and the cyclist move at a constant speed, what is the time interval between consecutive buses?

A.4
B.6
C.8
D.10
E.12

Source: gmatclub forum
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by Anurag@Gurome » Sat Aug 20, 2011 6:13 am
Ozlemg wrote:A man cycling along the road noticed that every 12 minutes a bus overtakes him and every 4 minutes he meets an oncoming bus. If all buses and the cyclist move at a constant speed, what is the time interval between consecutive buses?
Rahul has posted a brilliant solution here : https://www.beatthegmat.com/cycle-t71761.html#324961
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