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28 Mar 2019, 00:14
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
49% (01:09) correct
51%
(00:56)
wrong
based on 374
sessions
History
Date
Time
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Not Attempted Yet
If j and k are positive integers, is 6 a factor of j?
(1) 6 is a factor of jk.
(2) 6 is not a factor of k.
(1) 6 is a factor of jk.
(2) 6 is not a factor of k.
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:
https://gmatclub.com/forum/data-sufficiency-ds-141/
https://gmatclub.com/forum/data-sufficiency-ds-141/
Updated on: 28 Mar 2019, 03:22
Originally posted by LevanKhukhunashvili on 28 Mar 2019, 01:30.
Last edited by LevanKhukhunashvili on 28 Mar 2019, 03:22, edited 3 times in total.
Last edited by LevanKhukhunashvili on 28 Mar 2019, 03:22, edited 3 times in total.
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Learn from my mistakes: Try to catch why below reasoning is incorrect
1 stm - if j=6 k=6 the answer is yes. but if j=1 k=6 the answer is no - not suff
2 stm - nothing about j - not suff
1-2 stm together, if jk is divisible by 6 and k is not, then j must be divisible by 6 suff
IMO
Ans: C
1 stm - if j=6 k=6 the answer is yes. but if j=1 k=6 the answer is no - not suff
2 stm - nothing about j - not suff
1-2 stm together, if jk is divisible by 6 and k is not, then j must be divisible by 6 suff
IMO
Ans: C
