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# If 9 trees are originally planted in a circular pattern as shown above

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Math Expert
Joined: 02 Sep 2009
Posts: 50007
If 9 trees are originally planted in a circular pattern as shown above  [#permalink]

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21 Nov 2017, 23:26
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Difficulty:

(N/A)

Question Stats:

82% (01:09) correct 18% (01:05) wrong based on 23 sessions

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If 9 trees are originally planted in a circular pattern as shown above, what is the least number of trees that must be transplanted so that the 9 trees will be in 2 straight rows?

(A) 4
(B) 5
(C) 6
(D) 7
(E) 8

Attachment:

2017-11-22_1022_001.png [ 1.66 KiB | Viewed 570 times ]

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Intern
Joined: 29 Aug 2016
Posts: 33
Re: If 9 trees are originally planted in a circular pattern as shown above  [#permalink]

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22 Nov 2017, 03:15
Hey Bunuel!!!

Is the answer B) ? 5 trees?

Idk if I got the question wrong.

As any 2 given trees will always be in a straight line, so we can leave 2 be on both the sides and re arrange others. Hence total of 2 on one side and 3 on the other will need replacement.

Please let me know where I might be wrong!! (Given I atleast got the question right?)

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Intern
Joined: 29 Aug 2016
Posts: 33
Re: If 9 trees are originally planted in a circular pattern as shown above  [#permalink]

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22 Nov 2017, 21:45
Bunuel wrote:

If 9 trees are originally planted in a circular pattern as shown above, what is the least number of trees that must be transplanted so that the 9 trees will be in 2 straight rows?

(A) 4
(B) 5
(C) 6
(D) 7
(E) 8

Attachment:
2017-11-22_1022_001.png

Could you share the answer, please? Is the logic correct that I applied?

TIA!

Sent from my iPhone using GMAT Club Forum mobile app
Math Expert
Joined: 02 Sep 2009
Posts: 50007
Re: If 9 trees are originally planted in a circular pattern as shown above  [#permalink]

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23 Nov 2017, 00:14
RicAssassin wrote:
Bunuel wrote:

If 9 trees are originally planted in a circular pattern as shown above, what is the least number of trees that must be transplanted so that the 9 trees will be in 2 straight rows?

(A) 4
(B) 5
(C) 6
(D) 7
(E) 8

Attachment:
2017-11-22_1022_001.png

Could you share the answer, please? Is the logic correct that I applied?

TIA!

Sent from my iPhone using GMAT Club Forum mobile app

The OA will be automatically revealed on Tuesday 28th of November 2017 10:26:48 PM Pacific Time Zone
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Re: If 9 trees are originally planted in a circular pattern as shown above &nbs [#permalink] 23 Nov 2017, 00:14
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