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17 Jun 2019, 00:42
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
95%
(hard)
Question Stats:
37% (02:50) correct
63%
(02:44)
wrong
based on 145
sessions
History
Date
Time
Result
Not Attempted Yet
A solid cube is placed in a cylindrical container. Which of the following percent values COULD possibly represent the ratio of the volume of the cylinder not occupied by the cube to the volume of the cylinder? (Assume the value of ππ to be 3)
(A) 16%
(B) 25%
(C) 28%
(D) 32%
(E) 36%
(A) 16%
(B) 25%
(C) 28%
(D) 32%
(E) 36%
17 Jun 2019, 01:31
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For the largest cube that can be fitted , diagonal = diameter , root (2) a = 2r and also h =a , where a = length of cube , h = height of cylinder , r = radius of cylinder
Now based on this , the ratio of volume of cube to cylinder = 2/3
Which means percentage of empty volume = 33 .33 percent .
The empty volume percentage of any other cube that can be fitted has to be greater than this. So answer is E .
Now based on this , the ratio of volume of cube to cylinder = 2/3
Which means percentage of empty volume = 33 .33 percent .
The empty volume percentage of any other cube that can be fitted has to be greater than this. So answer is E .
General Discussion
02 Sep 2019, 07:29
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If I raise the height of the cylinder, the cube will still fit inside. but the volume of the cylinder will me more now then before and this will affect the ration of the volumes.
The question has flaw. (Data insufficiency).
The question has flaw. (Data insufficiency).
