Difference between revisions of "1967 AHSME Problems/Problem 22"
Talkinaway (talk | contribs) |
m (→See also) |
||
(One intermediate revision by one other user not shown) | |||
Line 14: | Line 14: | ||
<math>P = (D'Q' + R')D + R</math> | <math>P = (D'Q' + R')D + R</math> | ||
+ | |||
+ | |||
<math>P = (DD')Q' + (R'D + R)</math> | <math>P = (DD')Q' + (R'D + R)</math> | ||
− | If we divide <math>P</math> by <math>DD'</math>, the quotient would be <math>Q'</math>, and the remainder would be <math>R'D + R</math>, which is option <math>\fbox{A}</math>. | + | If we divide <math>P</math> by <math>DD'</math>, the quotient would be <math>Q'</math>, and the remainder would be <math>R'D + R</math>, which is option <math>\fbox{A}</math>. |
== See also == | == See also == | ||
− | {{AHSME box|year=1967|num-b=21|num-a=23}} | + | {{AHSME 40p box|year=1967|num-b=21|num-a=23}} |
[[Category:Introductory Number Theory Problems]] | [[Category:Introductory Number Theory Problems]] | ||
{{MAA Notice}} | {{MAA Notice}} |
Latest revision as of 00:40, 16 August 2023
Problem
For natural numbers, when is divided by , the quotient is and the remainder is . When is divided by , the quotient is and the remainder is . Then, when is divided by , the remainder is:
Solution
We are given and .
Plugging the second equation into the first yields:
If we divide by , the quotient would be , and the remainder would be , which is option .
See also
1967 AHSC (Problems • Answer Key • Resources) | ||
Preceded by Problem 21 |
Followed by Problem 23 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 • 26 • 27 • 28 • 29 • 30 • 31 • 32 • 33 • 34 • 35 • 36 • 37 • 38 • 39 • 40 | ||
All AHSME Problems and Solutions |
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions.