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14 Feb 2016, 03:42
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A
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Difficulty:
5%
(low)
Question Stats:
94% (00:53) correct
6%
(01:33)
wrong
based on 81
sessions
History
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Not Attempted Yet
A piece of wood is cut into three pieces that have lengths in the ratio x : y : z = 1 : 2 : 3. What is the length x + y + z?
(1) x + z = 16
(2) x < y < z
(1) x + z = 16
(2) x < y < z
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
15 Feb 2016, 22:06
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Bunuel
If you see anything in the ratios, it is good to assign them variables.
x : y : z = 1 : 2 : 3. Assume x, y, z = k, 2k, 3k
We need to find out x + y + z or 6k.
Statement 1: x + z = 16 or k + 3k = 16
k = 4.
Therefore, we can find 6k
Sufficient.
Statament 2: x < y < z. Clearly This statement does not tells us anything.
Insufficient
Option A
22 May 2018, 23:47
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