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Math Expert V
Joined: 02 Sep 2009
Posts: 60727
If the side length of Square B is twice that of Square A, the area of  [#permalink]

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Difficulty:   5% (low)

Question Stats: 91% (00:38) correct 9% (00:38) wrong based on 69 sessions

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If the side length of Square B is twice that of Square A, the area of Square B is how many times the area of Square A?

A. 1/2
B. 1
C. 2
D. 3
E. 4

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Marshall & McDonough Moderator D
Joined: 13 Apr 2015
Posts: 1683
Location: India
Re: If the side length of Square B is twice that of Square A, the area of  [#permalink]

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Let length of square A be 'l'. Then length of square B = '2l'

Area of square A = l^2
Area of square B = 4*l^2

Therefore square B is 4 times the area of square A

Current Student D
Joined: 12 Aug 2015
Posts: 2546
Schools: Boston U '20 (M)
GRE 1: Q169 V154 Re: If the side length of Square B is twice that of Square A, the area of  [#permalink]

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Let square A has side => 10 => area => 100 units
area of Square B = 400
hence 4 times area of A => E is correct..
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Senior Manager  G
Joined: 24 Nov 2015
Posts: 473
Location: United States (LA)
Re: If the side length of Square B is twice that of Square A, the area of  [#permalink]

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consider side length of square A as 10 units
area of square A = 100 sq units
as per condition given in problem side of square B is 20 units
area of square B = 400 sq units
therefore area of square B is 4 times area of square A Re: If the side length of Square B is twice that of Square A, the area of   [#permalink] 18 Apr 2016, 13:34
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# If the side length of Square B is twice that of Square A, the area of  