Many Four Digits
How many four-digit whole numbers are there such that the thousand’s digit is odd, the hundred’s digit is even, and all four digits are different?
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Individual Rankings
The first 10 to correctly answer this question are shown below.
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- Mia Chen
- Bill Mansfield
- Brady Wern
- Jeff Esposito
- Florence Rollins
- Mario Skrtic
- Iqbal Shahid
- Mike Schieffer
- Jean-Guy Smith
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