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In a one day international, the difference in the scores

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Director
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In a one day international, the difference in the scores [#permalink] New post 01 May 2012, 04:04
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In a one day international, the difference in the scores made by sachin and sehwag is twicw the difference between the scores of sahin and yuvi. If Sachin made the highest score, what is the average score of these three players?

(1) Sum of the scores of sachin and sehwag is 190
(2) Score of Yuvi is 50
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Senior Manager
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Status: May The Force Be With Me (D-DAY 15 May 2012)
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Schools: Ross '15 (D), Tuck '15 (D), Duke '15 (D), INSEAD Jan '13 (D), ISB '14 (D), Ivey '15, NUS '15 (D), NTU '15 (WL)
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Re: Statistics [#permalink] New post 01 May 2012, 06:30
its D OA is incorrect

we have from stem S-Se = 2( S - Y) => S + Se = 2Y

We need ( S + Se + Y ) / 3
Statement 1 gives us S + Se = 190 thus we have Y
Statement 2 S + Se = 2 * 50

Thus both sufficient Hence D
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Director
Director
Joined: 28 Jul 2011
Posts: 596
Location: United States
Concentration: International Business, General Management
GPA: 3.86
WE: Accounting (Commercial Banking)
Followers: 1

Kudos [?]: 25 [0], given: 16

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Re: In a one day international, the difference in the scores [#permalink] New post 02 May 2012, 07:49
Hi Bunnel need help with this.......

I marked D

but OA says B...please help with this..
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Re: In a one day international, the difference in the scores   [#permalink] 02 May 2012, 07:49
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