Difference between revisions of "2017 AIME II Problems/Problem 14"

(Created page with "<math>\textbf{Problem 14}</math> A <math>10\times10\times10</math> grid of points consists of all points in space of the form <math>(i,j,k)</math>, where <math>i</math>, <math...")
 
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<math>\textbf{Problem 14}</math>
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==Problem==
 
A <math>10\times10\times10</math> grid of points consists of all points in space of the form <math>(i,j,k)</math>, where <math>i</math>, <math>j</math>, and <math>k</math> are integers between <math>1</math> and <math>10</math>, inclusive. Find the number of different lines that contain exactly <math>8</math> of these points.
 
A <math>10\times10\times10</math> grid of points consists of all points in space of the form <math>(i,j,k)</math>, where <math>i</math>, <math>j</math>, and <math>k</math> are integers between <math>1</math> and <math>10</math>, inclusive. Find the number of different lines that contain exactly <math>8</math> of these points.
  
<math>\textbf{Problem 14 Solution}</math>
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==Solution==
 
<math>\boxed{168}</math>
 
<math>\boxed{168}</math>
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=See Also=
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{{AIME box|year=2017|n=II|num-b=13|num-a=15}}
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{{MAA Notice}}

Revision as of 12:02, 23 March 2017

Problem

A $10\times10\times10$ grid of points consists of all points in space of the form $(i,j,k)$, where $i$, $j$, and $k$ are integers between $1$ and $10$, inclusive. Find the number of different lines that contain exactly $8$ of these points.

Solution

$\boxed{168}$

See Also

2017 AIME II (ProblemsAnswer KeyResources)
Preceded by
Problem 13
Followed by
Problem 15
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
All AIME Problems and Solutions

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