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29 Jan 2020, 15:15
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
65% (01:41) correct
35%
(01:59)
wrong
based on 143
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Not Attempted Yet
Physicists, using extremely sophisticated instruments, have documented that the component particles of atoms—protons, neutrons, and electrons—comprise many smaller units called hadrons that are themselves composed of quarks, particles whose radii are 2,000 times smaller than a proton.
A) comprise many smaller units called hadrons that are themselves composed of quarks, particles whose radii are 2,000 times smaller than
B)comprise many smaller units called hadrons, which are themselves composed of quarks, particles whose radii are 2,000 times smaller than that of
C)comprise many smaller units called hadrons, and that they are themselves composed of quarks, particles whose radii are 2,000 times smaller than
D)comprise many smaller units called hadrons, and that they are themselves composed of quarks, particles whose radii are 2,000 times smaller than that of
E)comprise many smaller units called hadrons and they are themselves composed of quarks, particles whose radii are 2,000 times smaller than that of
Source: Ready4GMAT
A) comprise many smaller units called hadrons that are themselves composed of quarks, particles whose radii are 2,000 times smaller than
B)comprise many smaller units called hadrons, which are themselves composed of quarks, particles whose radii are 2,000 times smaller than that of
C)comprise many smaller units called hadrons, and that they are themselves composed of quarks, particles whose radii are 2,000 times smaller than
D)comprise many smaller units called hadrons, and that they are themselves composed of quarks, particles whose radii are 2,000 times smaller than that of
E)comprise many smaller units called hadrons and they are themselves composed of quarks, particles whose radii are 2,000 times smaller than that of
Source: Ready4GMAT
exliontamer
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30 Jan 2020, 14:50
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Can someone comment about this portion of B?
Doesn't the GMAT require comparisons to be parallel in tense? In the OA, "whose radii are 2,000 times smaller than that of a proton" is not parallel because radii is plural and "proton" is singular. Shouldn't this have been phrased as "whose radii are 2,000 times smaller than the radius of a proton" to preserve parallelism?
Doesn't the GMAT require comparisons to be parallel in tense? In the OA, "whose radii are 2,000 times smaller than that of a proton" is not parallel because radii is plural and "proton" is singular. Shouldn't this have been phrased as "whose radii are 2,000 times smaller than the radius of a proton" to preserve parallelism?
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01 Feb 2020, 09:08
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Hi,
How can the sentence be "...particles whose radii are smaller than that of a proton"? If radii are plural, shouldn't the construction be.. particles whose radii are smaller than those of protons?
How can the sentence be "...particles whose radii are smaller than that of a proton"? If radii are plural, shouldn't the construction be.. particles whose radii are smaller than those of protons?
