Difference between revisions of "1950 AHSME Answer Key"

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4: <math>\textbf{(A)}\ \frac{a}{b}</math>
 
4: <math>\textbf{(A)}\ \frac{a}{b}</math>
  
5: <math>\textbf{(A)}\ 648</math>
+
5: <math>\textbf{(A)}
  
6: <math>\textbf{(C)}\ y^{2}+10y-7=0</math>
+
6: </math>\textbf{(C)}\ y^{2}+10y-7=0<math>
  
7: <math>\textbf{(C)}\ 100t+10u+1</math>
+
7: </math>\textbf{(B)}\ kggi00t+10u+1<math>
  
8: <math>\mathrm{(C) }300\%</math>
+
8: </math>\mathrm{(C) }300\%<math>
  
9: <math>\textbf{(A)}\ r^{2}</math>
+
9: </math>\textbf{(A)}\ r^{2}<math>
  
10: <math>\mathrm{(D)}\text{ } 3+\sqrt6</math>
+
10: </math>\mathrm{(D)}\text{ } 3+\sqrt6<math>
  
11: <math>\mathrm{(A)}\text{ }\mathrm{ Increases}</math>
+
11: </math>\mathrm{(A)}\text{ }\mathrm{ Increases}<math>
  
12: <math>\mathrm{(C)}\text{ remains constant}</math>
+
12: </math>\mathrm{(C)}\text{ remains constant}<math>
  
13: <math>\textbf{(D)}\ 0,1,2\text{ and }4</math>
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13: </math>\textbf{(D)}\ 0,1,2\text{ and }4<math>
  
14: <math>\textbf{(D)}\ \text{There is no solution}</math>
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14: </math>\textbf{(D)}\ \text{There is no solution}<math>
  
15: <math>\textbf{(E)}\ \text{Non-existent}</math>
+
15: </math>\textbf{(E)}\ \text{Non-existent}<math>
  
16: <math>\mathrm{(B)}\ 5</math>
+
16: </math>\mathrm{(B)}\ 5<math>
  
17: <math>\mathrm{(C)}\ y=100-5x-5x^2</math>
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17: </math>\mathrm{(C)}\ y=100-5x-5x^2<math>
  
18: <math>\textbf{(E)} \text{ Only 1 is true}</math>
+
18: </math>\textbf{(E)} \text{ Only 1 is true}<math>
  
19: <math>\textbf{(C)}\ \frac{md}{m+r}\text{ days}</math>
+
19: </math>\textbf{(C)}\ \frac{md}{m+r}\text{ days}<math>
  
20: <math>\textbf{(C)}\ 0</math>
+
20: </math>\textbf{(D)}\ 2<math>
  
21: <math>\textbf{(B)}\ 24\text{ in}^{3}</math>
+
21: </math>\textbf{(B)}\ 24\text{ in}^{3}<math>
  
22: <math>\textbf{(D)}\ 28\%</math>
+
22: </math>\textbf{(D)}\ 28\%<math>
  
23: <math>\textbf{(B)}\ \83.33</math>
+
23: </math>\textbf{(B)}\ \ 83.33<math>
  
24: <math>\textbf{(E)}\ 1\text{ real root}</math>
+
24: </math>\textbf{(E)}\ 1\text{ real root}<math>
  
25: <math>\textbf{(D)}\ 5</math>
+
25: </math>\textbf{(D)}\ 5<math>
  
26: <math>\textbf{(E)}\ \frac{10^{b}}{n}</math>
+
26: </math>\textbf{(E)}\ \frac{10^{b}}{n}<math>
  
27: <math>\textbf{(B)}\ 34\text{ mph}</math>
+
27: </math>\textbf{(B)}\ 34\text{ mph}<math>
  
28: <math>\textbf{(B)}\ 8\text{ mph}</math>
+
28: </math>\textbf{(B)}\ 8\text{ mph}<math>
  
29: <math>\textbf{(B)}\ \dfrac{1}{8}+\dfrac{1}{x}=\dfrac{1}{2}</math>
+
29: </math>\textbf{(B)}\ \dfrac{1}{8}+\dfrac{1}{x}=\dfrac{1}{2}<math>
  
30: <math>\textbf{(A)}\ 40</math>
+
30: </math>\textbf{(A)}\ 40<math>
  
31: <math>\textbf{(C)}\ 1:4</math>
+
31: </math>\textbf{(C)}\ 1:4<math>
  
32: <math>\textbf{(D)}\ 8\text{ ft}</math>
+
32: </math>\textbf{(D)}\ 8\text{ ft}<math>
  
33: <math>\textbf{(D)}\ 36</math>
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33: </math>\textbf{(D)}\ 36<math>
  
34: <math>\textbf{(D)}\ \dfrac{5}{2\pi}\text{ in}</math>
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34: </math>\textbf{(D)}\ \dfrac{5}{2\pi}\text{ in}<math>
  
35: <math>\textbf{(B)}\ 4\text{ in}</math>
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35: </math>\textbf{(B)}\ 4\text{ in}<math>
  
36: <math>\textbf{(A)}\ 125\%</math>
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36: </math>\textbf{(A)}\ 125\%<math>
  
37: <math>\textbf{(E)}\  \text{Only some of the above statements are correct}</math>
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37: </math>\textbf{(E)}\  \text{Only some of the above statements are correct}<math>
  
38: <math>\textbf{(B)}\ \text{Is satisified for only 2 values of }x</math>
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38: </math>\textbf{(B)}\ \text{Is satisified for only 2 values of }x<math>
  
39: <math>\textbf{(E)}\ \text{Only }4\text{ and }5</math>
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39: </math>\textbf{(E)}\ \text{Only }4\text{ and }5<math>
  
40: <math>\textbf{(D)}\ 2</math>
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40: </math>\textbf{(D)}\ 2<math>
  
41: <math>\textbf{(D)}\ \dfrac{4ac-b^2}{4a}</math>
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41: </math>\textbf{(D)}\ \dfrac{4ac-b^2}{4a}<math>
  
42: <math>\textbf{(D)}\ \sqrt{2}</math>
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42: </math>\textbf{(D)}\ \sqrt{2}<math>
  
43: <math>\textbf{(E)}\ \text{None of these}</math>
+
43: </math>\textbf{(E)}\ \text{None of these}<math>
  
44: <math>\textbf{(C)}\ \text{Cuts the }x\text{-axis}</math>
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44: </math>\textbf{(C)}\ \text{Cuts the }x\text{-axis}<math>
  
45: <math>\textbf{(A)}\ 4850</math>
+
45: </math>\textbf{(A)}\ 4850<math>
  
46: <math>\textbf{(E)}\ \text{The area of the triangle is 0}</math>
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46: </math>\textbf{(E)}\ \text{The area of the triangle is 0}<math>
  
47: <math>\textbf{(C)}\ x=\dfrac{bh}{2h+b}</math>
+
47: </math>\textbf{(C)}\ x=\dfrac{bh}{2h+b}<math>
  
48: <math>\textbf{(C)}\ \text{Equal to the altitude of the triangle}</math>
+
48: </math>\textbf{(C)}\ \text{Equal to the altitude of the triangle}<math>
  
49: <math>\textbf{(D)}\ \text{A circle with radius }3\text{ inches and center }4\text{ inches from }B\text{ along } BA</math>
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49: </math>\textbf{(D)}\ \text{A circle with radius }3\text{ inches and center }4\text{ inches from }B\text{ along } BA<math>
  
50: <math>\textbf{(E)}\ 5\text{:}30\text{ p.m.}</math>
+
50: </math>\textbf{(E)}\ 5\text{:}30\text{ p.m.}$
  
 
== See Also ==
 
== See Also ==
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* [[Mathematics competition resources]]
 
* [[Mathematics competition resources]]
 
* [[Math books]]
 
* [[Math books]]
 +
[[Category:AHSME Answer Keys]]

Revision as of 20:14, 6 November 2020

Answers

1: $\textbf{(C)}\ 10\frac{2}{3}$

2: $\textbf{(D)}\ 21$

3: $\textbf{(E)}\ \text{None of these}$

4: $\textbf{(A)}\ \frac{a}{b}$

5: $\textbf{(A)}

6:$ (Error compiling LaTeX. Unknown error_msg)\textbf{(C)}\ y^{2}+10y-7=0$7:$\textbf{(B)}\ kggi00t+10u+1$8:$\mathrm{(C) }300\%$9:$\textbf{(A)}\ r^{2}$10:$\mathrm{(D)}\text{ } 3+\sqrt6$11:$\mathrm{(A)}\text{ }\mathrm{ Increases}$12:$\mathrm{(C)}\text{ remains constant}$13:$\textbf{(D)}\ 0,1,2\text{ and }4$14:$\textbf{(D)}\ \text{There is no solution}$15:$\textbf{(E)}\ \text{Non-existent}$16:$\mathrm{(B)}\ 5$17:$\mathrm{(C)}\ y=100-5x-5x^2$18:$\textbf{(E)} \text{ Only 1 is true}$19:$\textbf{(C)}\ \frac{md}{m+r}\text{ days}$20:$\textbf{(D)}\ 2$21:$\textbf{(B)}\ 24\text{ in}^{3}$22:$\textbf{(D)}\ 28\%$23:$\textbf{(B)}\ \ 83.33$24:$\textbf{(E)}\ 1\text{ real root}$25:$\textbf{(D)}\ 5$26:$\textbf{(E)}\ \frac{10^{b}}{n}$27:$\textbf{(B)}\ 34\text{ mph}$28:$\textbf{(B)}\ 8\text{ mph}$29:$\textbf{(B)}\ \dfrac{1}{8}+\dfrac{1}{x}=\dfrac{1}{2}$30:$\textbf{(A)}\ 40$31:$\textbf{(C)}\ 1:4$32:$\textbf{(D)}\ 8\text{ ft}$33:$\textbf{(D)}\ 36$34:$\textbf{(D)}\ \dfrac{5}{2\pi}\text{ in}$35:$\textbf{(B)}\ 4\text{ in}$36:$\textbf{(A)}\ 125\%$37:$\textbf{(E)}\ \text{Only some of the above statements are correct}$38:$\textbf{(B)}\ \text{Is satisified for only 2 values of }x$39:$\textbf{(E)}\ \text{Only }4\text{ and }5$40:$\textbf{(D)}\ 2$41:$\textbf{(D)}\ \dfrac{4ac-b^2}{4a}$42:$\textbf{(D)}\ \sqrt{2}$43:$\textbf{(E)}\ \text{None of these}$44:$\textbf{(C)}\ \text{Cuts the }x\text{-axis}$45:$\textbf{(A)}\ 4850$46:$\textbf{(E)}\ \text{The area of the triangle is 0}$47:$\textbf{(C)}\ x=\dfrac{bh}{2h+b}$48:$\textbf{(C)}\ \text{Equal to the altitude of the triangle}$49:$\textbf{(D)}\ \text{A circle with radius }3\text{ inches and center }4\text{ inches from }B\text{ along } BA$50:$\textbf{(E)}\ 5\text{:}30\text{ p.m.}$

See Also

1950 AHSME (ProblemsAnswer KeyResources)
Preceded by
First AHSME
Followed by
1951 AHSME
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
All AHSME Problems and Solutions