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GMATbuster92
Joined: 28 Jun 2018
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20 Jul 2018, 11:55
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
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Question Stats:
79% (01:11) correct
21%
(01:16)
wrong
based on 121
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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.
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.
20 Jul 2018, 14:27
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kshitizbansal92
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
01 Oct 2020, 11:42
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But isnt that a presumption that speed of both is the same? Because we’re not given at what point they started. Had both started at same point and at same time and reached midway then we could say that their speeds are equal right?
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