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

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Retired Moderator
Joined: 22 Aug 2013
Posts: 1430
Location: India
Out of three distinct numbers: X, Y, Z - is X the smallest?  [#permalink]

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05 Apr 2018, 02:01
1
00:00

Difficulty:

65% (hard)

Question Stats:

47% (01:45) correct 53% (01:07) wrong based on 29 sessions

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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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Joined: 17 Jan 2017
Posts: 60
Re: Out of three distinct numbers: X, Y, Z - is X the smallest?  [#permalink]

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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

INSUFFICIENT

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