2015 AMC 12B Problems/Problem 6: Difference between revisions
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Back in 1930, Tillie had to memorize her multiplication facts from <math>0 \times 0</math> to <math>12 \times 12</math>. The multiplication table she was given had rows and columns labeled with the factors, and the products formed the body of the table. To the nearest hundredth, what fraction of the numbers in the body of the table are odd? | Back in 1930, Tillie had to memorize her multiplication facts from <math>0 \times 0</math> to <math>12 \times 12</math>. The multiplication table she was given had rows and columns labeled with the factors, and the products formed the body of the table. To the nearest hundredth, what fraction of the numbers in the body of the table are odd? | ||
<math>\textbf{(A)}\; | <math>\textbf{(A)}\; 0.21 \qquad\textbf{(B)}\; 0.25 \qquad\textbf{(C)}\; 0.46 \qquad\textbf{(D)}\; 0.50 \qquad\textbf{(E)}\; 0.75</math> | ||
==Solution== | ==Solution== | ||
Revision as of 23:09, 3 March 2015
Problem
Back in 1930, Tillie had to memorize her multiplication facts from 
to 
. The multiplication table she was given had rows and columns labeled with the factors, and the products formed the body of the table. To the nearest hundredth, what fraction of the numbers in the body of the table are odd?
Solution
See Also
| 2015 AMC 12B (Problems • Answer Key • Resources) | |
| Preceded by Problem 5 |
Followed by Problem 7 |
| 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 | |
| All AMC 12 Problems and Solutions | |
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