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18 Feb 2022, 02:30
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A
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Difficulty:
5%
(low)
Question Stats:
89% (00:43) correct
11%
(00:40)
wrong
based on 93
sessions
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Time
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Not Attempted Yet
What is the value of m if \(m = \frac{4c}{5d}\) and d is not equal to zero?
(1) c = 10d
(2) c = 2
(1) c = 10d
(2) c = 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
kungfury42
Joined: 07 Jan 2022
Last visit: 31 May 2023
Posts: 580
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Schools: NUS '25 (A)
GMAT 1: 740 Q51 V38
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18 Feb 2022, 02:42
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(1) c = 10d, means c/d = 10, means 4/5*c/d = 4/5*10 = 8. Sufficient.
(2) Just knowing the value of c doesn't give us any information about the value of d. So the ratio c/d cannot be determined. Insufficient.
Hence, A.
Posted from my mobile device
(2) Just knowing the value of c doesn't give us any information about the value of d. So the ratio c/d cannot be determined. Insufficient.
Hence, A.
Posted from my mobile device
18 Feb 2022, 21:21
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Bunuel
\(m = \frac{4c}{5d}\)
We need to find \(\frac{c}{d}[/m\\
(1) c = 10d\\
[m]\frac{c}{d}\)=
10
Sufficient
(2) c = 2
Insufficient
Posted from my mobile device
