Difference between revisions of "2020 AIME I Problems"
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==Problem 3== | ==Problem 3== | ||
− | + | A positive integer <math>N</math> has base-eleven representation <math>\underline{a}\underline{b}\underline{c}</math> and base-eight representation <math>\underline1\underline{b}\underline{c}\underline{a},</math> where <math>a,b,</math> and <math>c</math> represent (not necessarily distinct) digits. Find the least such <math>N</math> expressed in base ten. | |
Revision as of 16:35, 12 March 2020
2020 AIME I (Answer Key) | AoPS Contest Collections • PDF | ||
Instructions
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1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 |
Contents
Problem 1
In with
point
lies strictly between
and
on side
and point
lies strictly between
and
on side
such that
The degree measure of
is
where
and
are relatively prime positive integers. Find
Problem 2
There is a unique positive real number such that the three numbers
and
in that order, form a geometric progression with positive common ratio. The number
can be written as
where
and
are relatively prime positive integers. Find
Problem 3
A positive integer has base-eleven representation
and base-eight representation
where
and
represent (not necessarily distinct) digits. Find the least such
expressed in base ten.
Problem 4
Problem 5
Problem 6
Problem 7
Problem 8
Problem 9
Problem 10
Problem 11
Problem 12
Problem 13
Problem 14
Problem 15
2020 AIME I (Problems • Answer Key • Resources) | ||
Preceded by 2019 AIME II |
Followed by 2020 AIME II | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 | ||
All AIME Problems and Solutions |
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions.