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# A and B are running in opposite direction on a circular track

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Manager
Joined: 28 Jun 2018
Posts: 147
Location: India
Concentration: Finance, Marketing
Schools: CUHK '21 (II)
GMAT 1: 650 Q49 V30
GPA: 4
A and B are running in opposite direction on a circular track  [#permalink]

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20 Jul 2018, 10:55
00:00

Difficulty:

35% (medium)

Question Stats:

78% (01:05) correct 22% (00:41) wrong based on 18 sessions

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A and B are running in opposite direction on a circular track with radius of 7 miles. What will be the sum of their respective speeds?

1) A and B both starts from same point and cover same distance before first meeting.
2) A can cover entire circular track in 10 min.

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Re: A and B are running in opposite direction on a circular track  [#permalink]

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20 Jul 2018, 13:27
kshitizbansal92 wrote:
A and B are running in opposite direction on a circular track with radius of 7 miles. What will be the sum of their respective speeds?

1) A and B both starts from same point and cover same distance before first meeting.
2) A can cover entire circular track in 10 min.

distance = 2pir=14pi

1. We now know that A and B are running in opposite direction
insufficient.

2.speed of A =14pi/1/6
speed of B =?

combining both ,
Speed of A=Speed of B

C
Re: A and B are running in opposite direction on a circular track &nbs [#permalink] 20 Jul 2018, 13:27
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