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# How many cylindrical cans with a radius of 2 inches and a

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Current Student
Joined: 29 Jan 2005
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How many cylindrical cans with a radius of 2 inches and a [#permalink]  20 Oct 2005, 23:09
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How many cylindrical cans with a radius of 2 inches and a height of 6 inches can fit into a rectangular box?

1. The volume of the box is 230 cubic inches
2. The length of the box is 3 inches
VP
Joined: 13 Jun 2004
Posts: 1123
Location: London, UK
Schools: Tuck'08
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Kudos [?]: 31 [0], given: 0

I would go for B

it says that it is a rectangular box
with B we know that lenght is 3 inches so the width should be even smaller.

we know that the can is 4 inches in diameter so its impossible to put even one. I've been thinking if you rotate the can or if you don't insert it vertically but in diagonal but I think it's not possible...
Senior Manager
Joined: 30 Oct 2004
Posts: 287
Followers: 1

Kudos [?]: 11 [0], given: 0

Antmavel wrote:
I would go for B

it says that it is a rectangular box
with B we know that lenght is 3 inches so the width should be even smaller.

we know that the can is 4 inches in diameter so its impossible to put even one. I've been thinking if you rotate the can or if you don't insert it vertically but in diagonal but I think it's not possible...

Spot on!! one of those visualization types...
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-Vikram

Current Student
Joined: 29 Jan 2005
Posts: 5244
Followers: 23

Kudos [?]: 178 [0], given: 0

Excellent work antoine! OA is B.
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