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"A" and "B" run around a circular track starting from the same point s

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"A" and "B" run around a circular track starting from the same point s  [#permalink]

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New post 25 Nov 2019, 12:07
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Question Stats:

67% (01:19) correct 33% (01:41) wrong based on 6 sessions

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"A" and "B" run around a circular track starting from the same point simultaneously in the same direction. "A" meets "B" for the first time when "A" is in the middle of his fifth round. If "A" is faster than "B" and takes 70 seconds to complete a lap. How long does B take to complete a lap?

a) 90 sec
b) 54.44 sec
C) 110 sec
d) 63 sec
e) 77 sec
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Re: "A" and "B" run around a circular track starting from the same point s  [#permalink]

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New post 25 Nov 2019, 12:19
globaldesi wrote:
"A" and "B" run around a circular track starting from the same point simultaneously in the same direction. "A" meets "B" for the first time when "A" is in the middle of his fifth round. If "A" is faster than "B" and takes 70 seconds to complete a lap. How long does B take to complete a lap?

a) 90 sec
b) 54.44 sec
C) 110 sec
d) 63 sec
e) 77 sec


Discussed here: https://gmatclub.com/forum/a-and-b-run- ... fl=similar
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Re: "A" and "B" run around a circular track starting from the same point s   [#permalink] 25 Nov 2019, 12:19
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"A" and "B" run around a circular track starting from the same point s

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