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GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2506
Given Kudos: 1055
GPA: 3.39
If a square’s sides are each increased by 50%, by what perce
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23 Mar 2020, 23:25
23 Mar 2020, 23:25
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Question Stats:
75% (00:40) correct
25% (00:50) wrong based on 4 sessions
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If a square’s sides are each increased by 50%, by what percent does the square’s area increase?
(A) 75%
(B) 100%
(C) 125%
(D) 150%
(E) 200%
(A) 75%
(B) 100%
(C) 125%
(D) 150%
(E) 200%
Retired Moderator
Joined: 16 Apr 2020
Status:Founder & Quant Trainer
Affiliations: Prepster Education
Posts: 1546
Given Kudos: 172
Location: India
WE:Education (Education)
If a square’s sides are each increased by 50%, by what perce
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12 Feb 2021, 06:38
12 Feb 2021, 06:38
2
Original side = a
Original Area = \(a^2\)
New side = 1.5a
New Area = \((1.5a)^2\)
Plug \(a^2\) as 100
Then, New Area = 225
Therefore, Change in Area = 225 - 100 = 125
Hence, option C
Original Area = \(a^2\)
New side = 1.5a
New Area = \((1.5a)^2\)
Plug \(a^2\) as 100
Then, New Area = 225
Therefore, Change in Area = 225 - 100 = 125
Hence, option C
gmatclubot
If a square’s sides are each increased by 50%, by what perce [#permalink]
12 Feb 2021, 06:38
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