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02 Sep 2018, 21:51
Kudos
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A
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Difficulty:
25%
(medium)
Question Stats:
71% (00:43) correct
29%
(00:54)
wrong
based on 29
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What is the longest possible distance between any two points on a cylinder with radius 6?
(1) The diameter of the cylinder is equal to its height.
(2) The area of the base is 36π.
(1) The diameter of the cylinder is equal to its height.
(2) The area of the base is 36π.
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
02 Sep 2018, 22:13
Kudos
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Bunuel
the longest distance is diagonal as shown in the sketch. So we require diameter and height to find the diagonal..
we know radius is 6, so we require to know height.
let us see the statements..
(1) The diameter of the cylinder is equal to its height.
So height = 2r=2*6=12
hence the distance = \(\sqrt{dia^2+height^2}=\sqrt{12^2+12^2}=12\sqrt{2}\)
sufficient
(2) The area of the base is 36π.
just repeats the info already given that radius is 6
insuff
A
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