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15 Oct 2019, 02:31
Kudos
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E
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Difficulty:
15%
(low)
Question Stats:
82% (01:09) correct
18%
(01:27)
wrong
based on 55
sessions
History
Date
Time
Result
Not Attempted Yet
If the units digit of integer n is greater than 2, what is the units digit of n ?
(1) The units digit of n is the same as the units digit of n^2
(2) The units digit of n^2 is the same as the units digit of n^3
(1) The units digit of n is the same as the units digit of n^2
(2) The units digit of n^2 is the same as the units digit of n^3
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:
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Data Sufficiency Forum
15 Oct 2019, 02:35
Kudos
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Bunuel
(1) The units digit of n is the same as the units digit of n^2
--> Possible values of unit digit of n = 5, 6 --> Insufficient
(2) The units digit of n^2 is the same as the units digit of n^3
--> Possible values of unit digit of n = 5, 6 --> Insufficient
Combining (1) & (2),
Possible values of unit digit of n = 5, 6 --> Insufficient
IMO Option E
15 Oct 2019, 02:38
Kudos
Bookmarks
Bunuel
from 1 &2
only possible unit digit is 5,6
IMO E
