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10 Oct 2019, 01:50
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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:
35%
(medium)
Question Stats:
65% (01:24) correct
35%
(01:08)
wrong
based on 46
sessions
History
Date
Time
Result
Not Attempted Yet
If x and z are positive integers and x + z = 13 what is the ratio of x to z?
(1) xz = 40
(2) z > 2
(1) xz = 40
(2) z > 2
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
10 Oct 2019, 07:38
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Ans - E
(1) xy=40
only possible combination is 8 and 5. but cant infer which one is x and z
so insufficient
(2)z greater than 2
both 8 and 5 are greater than 2
so insufficient
both together insufficient
Hence E
(1) xy=40
only possible combination is 8 and 5. but cant infer which one is x and z
so insufficient
(2)z greater than 2
both 8 and 5 are greater than 2
so insufficient
both together insufficient
Hence E
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