unuel', ), ); ?> Out of three distinct numbers: X, Y, Z - is X the smallest? : Data Sufficiency (DS)
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Out of three distinct numbers: X, Y, Z - is X the smallest?

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Out of three distinct numbers: X, Y, Z - is X the smallest?  [#permalink]

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New post 05 Apr 2018, 02:01
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Out of three distinct numbers: X, Y, Z - is Y the smallest?

(1) Y = (X+Z)/2

(2) Z is not less than Y.
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Re: Out of three distinct numbers: X, Y, Z - is X the smallest?  [#permalink]

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New post 05 Apr 2018, 09:45
amanvermagmat wrote:
Out of three distinct numbers: X, Y, Z - is Y the smallest?

(1) Y = (X+Z)/2

(2) Z is not less than Y.


(1) tells us that Y is the average of X and Z. So it must be between those two and can definately not be the smallest.
SUFFICIENT

(2) no info about X
INSUFFICIENT

Answer (A)
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Re: Out of three distinct numbers: X, Y, Z - is X the smallest? &nbs [#permalink] 05 Apr 2018, 09:45
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