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# PS Algebra

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Current Student
Joined: 29 Jan 2005
Posts: 5240
Followers: 23

Kudos [?]: 191 [0], given: 0

PS Algebra [#permalink]  25 Nov 2005, 09:59
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
See attachment
Attachments

Algebra post.doc [23.5 KiB]

Director
Joined: 13 Nov 2003
Posts: 790
Location: BULGARIA
Followers: 1

Kudos [?]: 30 [0], given: 0

IMO the answer choices are not correct. 50 should be an option
SVP
Joined: 28 May 2005
Posts: 1740
Location: Dhaka
Followers: 6

Kudos [?]: 75 [0], given: 0

I got sqrt(50) = 5sqrt(2) so answer is D.

I will post my working as attachment.
_________________

hey ya......

SVP
Joined: 28 May 2005
Posts: 1740
Location: Dhaka
Followers: 6

Kudos [?]: 75 [0], given: 0

here is the workings as attachment.
Attachments

algebra_post_739.doc [23.5 KiB]

_________________

hey ya......

Director
Joined: 27 Jun 2005
Posts: 513
Location: MS
Followers: 2

Kudos [?]: 36 [0], given: 0

D,

assume the values = x

then square on both side
x^2= 48+2sprt(24^2-25*23)
x^2 = 48+2sprt(24^2-24^2+1^2)

x^2= 48+2*1=50=5sqrt(2)
Current Student
Joined: 29 Jan 2005
Posts: 5240
Followers: 23

Kudos [?]: 191 [0], given: 0

Yep, OA is D. Consider this an all time ETS classic.
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# PS Algebra

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