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On a field whose length is 25 meters and width is 12 meters

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Manager
Joined: 16 Oct 2016
Posts: 189
Location: India
Concentration: General Management, Healthcare
GMAT 1: 640 Q40 V38
GMAT 2: 680 Q48 V35
GPA: 3.05
WE: Pharmaceuticals (Health Care)
On a field whose length is 25 meters and width is 12 meters  [#permalink]

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26 Dec 2018, 19:07
00:00

Difficulty:

15% (low)

Question Stats:

100% (00:53) correct 0% (00:00) wrong based on 12 sessions

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On a field whose length is 25 meters and width is 12 meters a house was built the shape of a square whose side is 9 meters. Assuming hat the unoccupied area is converted into a garden, what's the area of the garden?

A. 219 $$m^2$$

B. 223 $$m^2$$

C. 512 $$m^2$$

D. 567 $$m^2$$

E. 119 $$m^2$$

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Chasing the dragon

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Joined: 24 Aug 2016
Posts: 636
Concentration: Entrepreneurship, Operations
GMAT 1: 630 Q48 V28
GMAT 2: 540 Q49 V16
Re: On a field whose length is 25 meters and width is 12 meters  [#permalink]

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26 Dec 2018, 19:11
Area of field = 25*12= 300 sqm
Area of house = 9*9 = 81 sqm
Area of garden=300-81=219 sqm
Hence Ans is A
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Please let me know if I am going in wrong direction.
Thanks in appreciation.

Intern
Joined: 12 Sep 2017
Posts: 49
Re: On a field whose length is 25 meters and width is 12 meters  [#permalink]

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28 Dec 2018, 17:30
Hello experts!

I know how to approach this concept but..

Maybe this sounds a bit obvious but I would like to know which is the concept behind the incorrect solving like the following:

25-9 = 16
12-9 = 3

16*3 =48
Re: On a field whose length is 25 meters and width is 12 meters &nbs [#permalink] 28 Dec 2018, 17:30
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