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# The figure above shows the present position on a radar

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Joined: 06 Sep 2013
Posts: 1179
Location: United States
Concentration: Finance, General Management
Schools: Stanford '17
GPA: 3.5
WE: Corporate Finance (Investment Banking)
Followers: 6

Kudos [?]: 72 [0], given: 125

Re: Radar.jpg 9. The figure above shows the present position on [#permalink]  17 Feb 2014, 12:48
Narenn wrote:
Hello Friends,

just read in OG quant 2nd edition that The position of points, angles, regions, etc., exist in the order shown.

so if the given figure showing the present position of radar in the middle of first quadrant, we can assume so and can go with choice A

I first thought this problem was flawed, but then I realized:

3690 --> 360*10 +90 --> It will be in the fourth quadrant. So we don't require R value at all. I think it should be A

Hope this helps
Cheers
J
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Joined: 19 Feb 2014
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Kudos [?]: 1 [1] , given: 0

Re: The figure above shows the present position on a radar [#permalink]  19 Feb 2014, 10:13
1
KUDOS
Guys,

I think there's nothing wrong with the question other than a typo and it's 3,690°. Which I didn't even realize at first because I'm from Brazil, and here works the opposite way. The decimal "point" is "," and the "," is the decimal point.

So, the present position of the sweeping beam it's the one in the figure. "The figure above shows the present position on a radar screen of a sweeping beam"
Every 90° the sweeping beam will change quadrants, and every 4 times it will come back to the starting point. If we divide 3690 by 90 we get 41. So, that means it will rotate and go back to the starting point 10 times (10*4 = 40) and one more time (10*4+1=41) So. the answer would be A. It will be in the 4th quadrant.

Hope it helps.

Re: The figure above shows the present position on a radar   [#permalink] 19 Feb 2014, 10:13
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