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In the figure above, the number of shaded squares is what percent grea

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In the figure above, the number of shaded squares is what percent grea [#permalink]

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New post 11 Nov 2017, 05:47
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74% (00:29) correct 26% (00:15) wrong based on 18 sessions

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In the figure above, the number of shaded squares is what percent greater than the number of unshaded squares?

(A) 25%
(B) 40%
(C) 50%
(D) 60%
(E) 75%


[Reveal] Spoiler:
Attachment:
2017-11-11_1743.png
2017-11-11_1743.png [ 2.01 KiB | Viewed 302 times ]
[Reveal] Spoiler: OA

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Re: In the figure above, the number of shaded squares is what percent grea [#permalink]

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New post 11 Nov 2017, 07:34
Bunuel wrote:
Image
In the figure above, the number of shaded squares is what percent greater than the number of unshaded squares?

(A) 25%
(B) 40%
(C) 50%
(D) 60%
(E) 75%


[Reveal] Spoiler:
Attachment:
2017-11-11_1743.png


Total No of squares = 25
Unshaped = 10
Shaded = 15

Quote:
the number of shaded squares is what percent greater than the number of unshaded squares


\(\frac{5}{10}*100\)

= \(50\) %

Thus, answer will be (C) 50%
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Kudos [?]: 1144 [0], given: 327

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Kudos [?]: 397 [0], given: 640

In the figure above, the number of shaded squares is what percent grea [#permalink]

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New post 11 Nov 2017, 08:03
Bunuel wrote:
Image
In the figure above, the number of shaded squares is what percent greater than the number of unshaded squares?

(A) 25%
(B) 40%
(C) 50%
(D) 60%
(E) 75%


[Reveal] Spoiler:
Attachment:
2017-11-11_1743.png

# of shaded squares: 15
# of unshaded squares: 10

Shaded squares are what percent greater than unshaded squares?

1) Half of 10 is 5
50 percent of 10 is 5
15 - 10 = 5
15 is 50 percent greater than 10

OR

2) Percent greater than:

\(\frac{New - Old}{Old} * 100\)

\((\frac{15 -10}{10}) = (\frac{5}{10}) = (.5 * 100)\) = 50 percent

Answer C

Kudos [?]: 397 [0], given: 640

In the figure above, the number of shaded squares is what percent grea   [#permalink] 11 Nov 2017, 08:03
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