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# Is the value of n closer to 50 than to 75? (1) 75 - n > n

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Is the value of n closer to 50 than to 75? (1) 75 - n > n [#permalink]  26 Nov 2008, 03:26
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Is the value of n closer to 50 than to 75?
(1) 75 - n > n - 50
(2) n > 60

Could you please explain your answer? It is explained very poorly in the OG book
Thx
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Re: Tricky DS [#permalink]  26 Nov 2008, 03:52
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Is the value of n closer to 50 than to 75?
(1) 75 - n > n - 50
(2) n > 60

Mean is 62,5

1) 125>2n, n<62,5 - closer to 50, Suff
2) 60 or 63, Insuff.

A
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Re: Tricky DS [#permalink]  26 Nov 2008, 06:28
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Agree with A.

Also, coincidently, 62.5 is exactly half-way between 50 and 75
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Re: Tricky DS [#permalink]  26 Nov 2008, 10:17
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[quote="yhc25"]Is the value of n closer to 50 than to 75?
(1) 75 - n > n - 50
(2) n > 60

62.5 IS IN THE MIDDLE BETWEEN 50 AND 75

FROM 1

125>2N THUS 62.5> N........SUFF THEN SURE N IS CLOSER TO 50

FROM 2

INSUFF

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Re: Tricky DS [#permalink]  26 Nov 2008, 14:03
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From A we get that n < 62.5

So we can say that any n with value of 62.49 or lesser is closer to 50 than 75
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Re: Tricky DS [#permalink]  26 Nov 2008, 18:41
Thank you u guys
Re: Tricky DS   [#permalink] 26 Nov 2008, 18:41
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# Is the value of n closer to 50 than to 75? (1) 75 - n > n

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