Cards
In the following questions, unless stated otherwise, we will assume the use of a standard deck of cards. A standard deck consists of 52 cards, divided equally among four suits: hearts, diamonds, clubs, and spades. Each suit contains 13 cards, ranging from Ace through 10, followed by the face cards: Jack, Queen, and King.
56 questions in this plan
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Brain Teasers
3 questions
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| Question | Subcategory | Difficulty | Status |
| Casino's Offer | Symmetry | Easy | |
| Catching Ants | Pigeonhole Principle | Easy | |
| House of Cards | Summation | Easy | |
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Probability and Statistics
51 questions
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| Question | Subcategory | Difficulty | Status |
| 5 Descending Cards | Expected Value | Medium | |
| Aces for All | Combinatorial Analysis | Easy | |
| American Betting - Cards #1 | Betting and Sizing | Medium | |
| American Betting - Cards #2 | Betting and Sizing | Medium | |
| American Betting - Cards #3 | Betting and Sizing | Medium | |
| American Betting - Cards #4 | Betting and Sizing | Medium | |
| American Betting - Cards #5 | Betting and Sizing | Medium | |
| American Betting - Cards #6 | Betting and Sizing | Medium | |
| American Betting - Cards #7 | Betting and Sizing | Medium | |
| American Betting - Cards #8 | Betting and Sizing | Medium | |
| American Betting - Cards #9 | Betting and Sizing | Medium | |
| American Betting - Cards #10 | Betting and Sizing | Medium | |
| Both Card Colors | General | Easy | |
| Card On Top | Expected Value | Easy | |
| Decimal Betting - Cards #1 | Betting and Sizing | Medium | |
| Decimal Betting - Cards #2 | Betting and Sizing | Medium | |
| Decimal Betting - Cards #3 | Betting and Sizing | Medium | |
| Decimal Betting - Cards #4 | Betting and Sizing | Medium | |
| Decimal Betting - Cards #5 | Betting and Sizing | Medium | |
| Decimal Betting - Cards #6 | Betting and Sizing | Easy | |
| Decimal Betting - Cards #7 | Betting and Sizing | Medium | |
| Decimal Betting - Cards #8 | Betting and Sizing | Medium | |
| Decimal Betting - Cards #9 | Betting and Sizing | Easy | |
| Decimal Betting - Cards #10 | Betting and Sizing | Medium | |
| Diamond Variance | Expected Value | Medium | |
| First Ace | Expected Value | Easy | |
| Five Ascending Cards | General | Medium | |
| Five Deck Straight | Combinatorial Analysis | Medium | |
| Fractional Betting - Cards #1 | Betting and Sizing | Medium | |
| Fractional Betting - Cards #2 | Betting and Sizing | Medium | |
| Fractional Betting - Cards #3 | Betting and Sizing | Medium | |
| Fractional Betting - Cards #4 | Betting and Sizing | Medium | |
| Fractional Betting - Cards #5 | Betting and Sizing | Medium | |
| Fractional Betting - Cards #6 | Betting and Sizing | Medium | |
| Fractional Betting - Cards #7 | Betting and Sizing | Medium | |
| Fractional Betting - Cards #8 | Betting and Sizing | Medium | |
| Fractional Betting - Cards #9 | Betting and Sizing | Medium | |
| Fractional Betting - Cards #10 | Betting and Sizing | Medium | |
| Higher Card | General | Medium | |
| How Many Pairs | Combinatorial Analysis | Hard | |
| Kelly Betting #1 | Expected Value | Easy | |
| Kelly Betting #2 | Expected Value | Medium | |
| Poker - Four of a Kind | Combinatorial Analysis | Easy | |
| Poker - Full House | Combinatorial Analysis | Medium | |
| Poker - Two Pair | Combinatorial Analysis | Easy | |
| Specific Card #1 | Expected Value | Easy | |
| Specific Card #2 | Combinatorial Analysis | Medium | |
| Specific Card #3 | Combinatorial Analysis | Medium | |
| Ten Cards, No King | Combinatorial Analysis | Easy | |
| Three Cards Difference | Combinatorial Analysis | Hard | |
| Tripled Spades | Expected Value | Easy | |
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Programming
2 questions
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| Question | Subcategory | Difficulty | Status |
| Drawing a Blue 3 | Mathematical Problems | Medium | |
| Optimal Stopping Strategy | Mathematical Problems | Medium | |