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10 Apr 2017, 02:25
Kudos
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A
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Difficulty:
35%
(medium)
Question Stats:
69% (01:49) correct
31%
(01:57)
wrong
based on 225
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In the diagram above each of the letters represents one of the digits between 5 and 9, not inclusive. If each row and each column must be filled with distinct digits, is the value of m less than 7?
(1) k + l = 14
(2) w + z = 15
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
25 Jun 2017, 13:16
Kudos
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the question states: between 5 and 9, not inclusive.. so we are left with numbers 6,7,8.
(1) k + l = 14
k= 8, l=6 or k=6, l=8 in either case we are left with m=7 .. so it is sufficient
2) w + z = 15
a) w= 8, z= 7
m can be 6 or 8
b) w= 7, z= 8
m can be 6 or 7
clearly insufficient
Answer is A
(1) k + l = 14
k= 8, l=6 or k=6, l=8 in either case we are left with m=7 .. so it is sufficient
2) w + z = 15
a) w= 8, z= 7
m can be 6 or 8
b) w= 7, z= 8
m can be 6 or 7
clearly insufficient
Answer is A
