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# If 0 < z < 1, is the hundredths digit of z equal to 9?

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Math Expert
Joined: 02 Sep 2009
Posts: 58427
If 0 < z < 1, is the hundredths digit of z equal to 9?  [#permalink]

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12 Jan 2018, 00:41
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Difficulty:

45% (medium)

Question Stats:

65% (01:39) correct 35% (01:28) wrong based on 26 sessions

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If 0 < z < 1, is the hundredths digit of z equal to 9?

(1) z + 0.001 < 1
(2) z + 0.008 > 1

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Intern
Joined: 30 May 2017
Posts: 36
GMAT 1: 730 Q49 V41
Re: If 0 < z < 1, is the hundredths digit of z equal to 9?  [#permalink]

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12 Jan 2018, 00:55
If 0 < z < 1, is the hundredths digit of z equal to 9?

(1) z + 0.001 < 1
(2) z + 0.008 > 1

from 1.
z<0.999
therefore z can be 0.998 hundredths digit of z=9
but z can also be 0.123 hundredths digit of z=2

insufficient;
BCE
2. 0.992<z<1

sufficient z =o.993 or 0.09921 in every value hundredths digit of z=9
B
Re: If 0 < z < 1, is the hundredths digit of z equal to 9?   [#permalink] 12 Jan 2018, 00:55
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