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01 Aug 2018, 23:30
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C
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Difficulty:
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Question Stats:
84% (01:05) correct
16%
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wrong
based on 799
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A right cylindrical container with radius 2 meters and height 1 meter is filled to capacity with oil. How many empty right cylindrical cans, each with radius 1/2 meter and height 4 meters, can be filled to capacity with the oil in this container?
(A) 1
(B) 2
(C) 4
(D) 8
(E) 16
(A) 1
(B) 2
(C) 4
(D) 8
(E) 16
01 Aug 2018, 23:42
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Bunuel
Volume of the bigger cylinder = π*2^2*1 = 4 π
Volume of the smaller cylinder = π*(1/2)^2*4 = π
Therefore number of smaller Cylinder required = 4 π / π = 4
C is the answer.
01 Aug 2018, 23:54
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ans: B
Volume of Cylinder = Pi*r^2*h
Volume of One = Volume of n ; we need to find n so.
Pi*(2^2)*1= n * Pi * (1/2)^2 * 4
Pi* 4 = n* Pi *1/4 * 4
n = 4
Volume of Cylinder = Pi*r^2*h
Volume of One = Volume of n ; we need to find n so.
Pi*(2^2)*1= n * Pi * (1/2)^2 * 4
Pi* 4 = n* Pi *1/4 * 4
n = 4
Bunuel
