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12 Jan 2018, 00:41
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B
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Difficulty:
35%
(medium)
Question Stats:
65% (01:42) correct
35%
(01:23)
wrong
based on 37
sessions
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Not Attempted Yet
If 0 < z < 1, is the hundredths digit of z equal to 9?
(1) z + 0.001 < 1
(2) z + 0.008 > 1
(1) z + 0.001 < 1
(2) z + 0.008 > 1
Pure algebraic questions like this one are no longer part of the GMAT Data Sufficiency syllabus.
For relevant Data Sufficiency questions, please check the Data Sufficiency forum:
Data Sufficiency Forum
Data Sufficiency Forum
12 Jan 2018, 00:55
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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
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
(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
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