| Birthday Collision | easy |
| Card Game Expected Value | easy |
| Medical Test - Bayes' Theorem | easy |
| Expected Flips Until First Heads | easy |
| Generalized Monty Hall Problem | easy |
| Expected Flips to See Both Sides | easy |
| Car Crashes on a Highway | easy |
| All Odds Before Even | easy |
| Chess Tournament VI | easy |
| 40-sided And 60-sided Die | easy |
| 3 Consecutive Heads II | easy |
| 3 Heads 3 Tails III | easy |
| Ants On A Circle I | easy |
| Gambler's Ruin I | easy |
| At Least Six I | easy |
| Higher Sum | easy |
| 500 Sided Dice | easy |
| 1 Dot Removed | easy |
| Conditional Inequality | easy |
| Coin Toss Game IV | easy |
| Connected Components I | easy |
| Card Picking III | easy |
| 2 Or 11 | easy |
| Coin Toss Game III | easy |
| Bernoulli Matrix | easy |
| Coin Inside Square | easy |
| Car Crash | easy |
| Circular Regions | easy |
| Dice Roll Probability | medium |
| Gambler's Ruin | medium |
| Coupon Collector Problem | medium |
| Two-State Markov Chain Steady State | medium |
| Probability of Winning a Best-of-N Series | medium |
| Poisson Distribution Probability | medium |
| Card Drawing - Hypergeometric Distribution | medium |
| Central Limit Theorem - Sum Exceeds Threshold | hard |
| Gambler's Ruin - Martingale Stopping | hard |
| Kelly Criterion - Optimal Bet Size | medium |
| Expected Rolls Until Consecutive Match | medium |
| Dice Sequence Probability | medium |
| Maximum of N Dice | easy |
| Dice Sum Reaches Target | medium |
| Two Player Dice Duel | easy |
| Die Reroll Strategy | medium |
| Newton's Dice Problem | hard |
| Distinct Faces in N Rolls | easy |
| Run of K Sixes | hard |
| Conditional Die Sum | medium |
| Random Walk First Return | medium |
| Ballot Problem | medium |
| Hat Matching Problem (Derangements) | medium |
| Stick Breaking: Expected Longest Piece | medium |
| Secretary Problem (Optimal Stopping) | hard |
| Expected Flips to See Coin Pattern | hard |
| Expected Cards Until Target | easy |
| Expected Matching Birthday Pairs | medium |
| Exponential Minimum Survival Probability | easy |
| Expected Cycles in Random Permutation | hard |
| MGF Moment Extraction | medium |
| Hoeffding Bound | medium |
| Certainty Equivalent | medium |
| Optimal Dice Stopping | medium |
| Increasing Dice Sequence | medium |
| Conditional Dice Sum | easy |
| First to Roll a Six | easy |
| Matching Dice Faces | medium |
| Dice Duel: Max vs Single | medium |
| Decahedron Coupon Collector | medium |
| Alternating Coin Duel | easy |
| Expected Flips for N Consecutive Heads | medium |
| Double-Headed Coin Mystery | medium |
| Strictly More Heads Than Tails | medium |
| Identify the Biased Coin | easy |
| Odd One Out | medium |
| Winning Streak in Coin Flips | medium |
| Expected Position of First Ace | medium |
| Same Color Draw | easy |
| Card Position Match | medium |
| High Card Duel | easy |
| Poker Full House Probability | medium |
| Cards Until a Rank Match | medium |
| Adjacent Same-Suit Pairs | medium |
| Broken Stick Triangle | medium |
| The Meeting Problem | medium |
| Expected Maximum of Uniform Samples | easy |
| Increasing Uniform Chain | medium |
| Is This Bet Favorable? | easy |
| Catalan Numbers and Balanced Parentheses | medium |
| Stars and Bars Distribution | easy |
| Poker Two Pair Probability | medium |
| Lattice Paths on a Grid | medium |
| Random Walk on a Cube | medium |
| Gambler's Ruin: Unfair Coin | medium |
| Absorbing Markov Chain Coin Game | medium |
| Drunkard on a Number Line | easy |
| Expected Random Chord Length | medium |
| Coin Landing on a Grid | easy |
| Random Points Form Obtuse Triangle | hard |
| Expected Range of Uniform Samples | medium |
| Distribution of Median of Three Uniforms | medium |
| Bayesian Urn Update | medium |
| Balls into Bins — Expected Empty Bins | medium |
| Sum of Two Uniform Random Variables | easy |
| Expected Maximum of Two Dice | easy |
| Reservation Wage Problem | medium |
| Chuck-a-Luck Expected Value | easy |
| Conditional Expectation of a Die | easy |
| Expected Absolute Difference of Two Dice | easy |
| Pick the Higher Card | medium |
| Poisson Process Arrivals | easy |
| Merging Poisson Processes | medium |
| Three Coins Majority Vote | easy |
| Expected Rolls Until a Repeat | medium |
| Dice Sum Given One Die is 3 | easy |
| Quality Control Sampling | medium |
| Expected Fixed Points in a Permutation | easy |
| Probability of a Flush | medium |
| Poisson No Arrivals in 30 Minutes | easy |
| Conditional Probability with Two Dice | easy |
| Expected Rolls Until Third Six | easy |
| Should You Pay to Redraw? | medium |
| Expected Runs in Coin Flips | medium |
| Expected Coin Flips to See THH | medium |
| Correlation Bounds from Pairwise Values | medium |
| Probability of a Run of 3 Heads in 6 Flips | medium |
| Birthday Twins in a Group | medium |
| Intersecting Random Chords | medium |
| Pass the Ball Around a Circle | medium |
| Chess Tournament Probability | medium |
| Extra Coin in the Bag | medium |
| At Least One Die Larger Than 4 | easy |
| Rolling a 4 Before a 2 | easy |
| Odd Roll Before Even on First Two Dice | easy |
| Comparing Coin Flips | medium |
| Fleeing Flea on a Number Line | medium |
| Dice in Strictly Increasing Order | medium |
| Collecting the Last Toy | medium |
| Tennis Deuce Probability | medium |
| Sum of Four Dice | easy |
| The 60-40 Split | easy |
| Random Dart on a Circular Target | medium |
| Basic Die Game | medium |
| Ten Dice Sum Exceeding 40 | medium |
| Random Sum via Tower Property | medium |
| Die-Then-Coins (Tower Property) | medium |
| Two-Stage Stick Breaking | medium |
| Nested Die Rolls (Tower Property) | hard |
| Expected Maximum of Uniform Samples | easy |
| Minimum of Exponential Random Variables | easy |
| k-th Order Statistic of Uniforms | medium |
| Expected Range of Uniform Samples | medium |
| Powerful Scaling | medium |
| Distinct Number Count | medium |
| Jumping Frog VI | easy |
| Coin Toss Game I | medium |
| Mathematical Expression II | medium |
| Square Intersection II | medium |
| Nearest Diagonal II | easy |
| Gold Auction | medium |
| W-permutation | medium |
| Triangle Formation II | medium |
| Heads Run I | medium |
| Interview III | hard |
| Exponential Pentagon | medium |
| Segments Inside Square I | medium |
| Expected Arc Length II | hard |
| Chocolate Problem | medium |
| King, Queen, Ace I | medium |
| 2D Jumps | medium |
| Checks | medium |
| Knight Return | hard |
| Last One Off | hard |
| King, Queen, Ace II | medium |
| Odd Heads III | medium |
| Getting Singular Matrix | medium |
| Dice Sum Parity | easy |
| Reach Multiple Of 7 | easy |
| Three Steps | hard |
| Strange Product | hard |
| Expected Squared Area | hard |
| Equal Logarithms | easy |
| Blackboard | hard |
| Second Last I | hard |
| Even Ratio | hard |
| Moving Ants III | medium |
| Permutation Variance | hard |
| Penguin Walk IX | medium |
| Even Lattice Points | medium |
| XY To The Power Z | medium |
| Variable Game | easy |
| Triangle Formation III | medium |
| Odd Heads II | easy |
| Jumping Frog I | medium |
| Last Card Survivor | medium |
| Geometric Progression | medium |
| Bot Move | medium |
| Probabilistic Strategy II | easy |
| Non-empty Buckets | easy |
| Tennis Tournament | easy |
| Largest Area Expectation | medium |
| Dice Difference I | medium |
| Singer's Location | easy |
| Coin Sequence Guess | medium |
| Penguin Walk VI | easy |
| No Intersections | easy |
| Lottery | easy |
| Ending At 1 | easy |
| Ant On A Cube III | medium |
| Coin Coloring Game | medium |
| Additional Info Coin Flips II | medium |
| Drunk Passenger I | hard |
| Matching Cards Removal | medium |
| Increasing Dice Rolls IV | medium |
| Normal Distributions | medium |
| Penguin Walk VII | easy |
| Uniform Sum Probability | medium |
| Parking Lot | hard |
| Probabilistic Strategy IV | medium |
| Perfect Rank Guess | hard |
| Vending Machine I | medium |
| Penguin Walk II | easy |
| Hard Card Expectation | medium |
| Digit Picking | medium |
| Tenth Toss | medium |
| Expected Collisions II | hard |
| Last To Front | medium |
| No Rocks Allowed | easy |
| Dice Rolls Product | hard |
| Marble Swap III | medium |
| Weighted Die | medium |
| Strange Die | medium |
| Rook Moves | medium |
| Circle Fitting II | medium |
| Nearest Diagonal I | easy |
| 1 Leftward Jump | medium |
| Ant On An Icosahedron | hard |
| Dice Difference II | easy |
| Signal To Noise Ratio | easy |
| Double Headed Coin I | easy |
| Expected Arc Length III | hard |
| Asking For A Date | medium |
| Free Throws | hard |
| Expected Minimum Distance | easy |
| No Adjacent Standing Pair | hard |
| Large Cycles | hard |
| Disjoint Arcs | medium |
| Forming Quadratic Polynomial II | medium |
| Party Groups I | hard |
| Constrained Maximum | medium |
| Conditional One | easy |
| Information Transfer | medium |
| Increasing Dice Rolls I | easy |
| Losing It All | easy |
| Dice Game VI | medium |
| Expected Absolute Difference | easy |
| Small Chords | hard |
| Weighted Coins | medium |
| Expected Area Of Intersection | medium |
| Nearest Circular Neighbor | medium |
| Seven Colors I | easy |
| Random Tree Construction | medium |
| Choose Values III | medium |
| Interesting Average I | medium |
| Expected 2s | easy |
| Exponential Inequality II | medium |
| Chess Tournament VII | medium |
| Hexagon Intersection | medium |
| Coin And Die Together | easy |
| Ants On A Circle II | hard |
| Strictly Within | hard |
| Moving Ants II | easy |
| Head-tail Product | easy |
| Sports Betting | easy |
| Dice Triangle | easy |
| Maximum Exponential | medium |
| Home Run | easy |
| Expected Minimum Till 5 | medium |
| Triangle Formation IV | medium |
| Party Groups II | medium |
| Jumping Frog II | medium |
| Monster Escape II | medium |
| 3 Lights | medium |
| Toss Exceedance | easy |
| Expected Number After Swaps | medium |
| Adding 1 Or 2 | medium |
| Forming Quadratic Polynomial III | hard |
| N Point Variance | easy |
| Monster Escape I | medium |
| Max Min Ratio | medium |
| Consecutive Integral Envelopes | medium |
| Socks Remaining I | medium |
| Rope Variance | easy |
| Expected Good Points | medium |
| Dice Game VII | medium |
| Fixed Points I | easy |
| Increasing Random Variables | medium |
| Maxima Sum II | medium |
| Proportional Dice | easy |
| Factorial Factor | easy |
| Penguin Walk I | easy |
| Min, Median, Max Guess | hard |
| Circular Table I | medium |
| Triangle Inside Circle II | easy |
| Just Even Stop | easy |
| Contained Projection | hard |
| Tic Tac Toe | easy |
| Conditional Normal IV | medium |
| Higher Roll II | easy |
| Variance Maximum | medium |
| Ranged Guess | hard |
| Maximising Heads I | easy |
| Expected Wait Time IV | medium |
| Two Rolls Reward | easy |
| Higher Roll I | easy |
| Highest Roll EV | medium |
| 4 Die Sum | easy |
| Triangle Inside Circle I | medium |
| Triangle Inside Circle III | medium |
| Contiguous THTH | medium |
| Random Point On Disc | easy |
| Expected Stock Price | easy |
| Blue, Ugly And Special | medium |
| Ants On A Circle IV | hard |
| Double Value | easy |
| Poisson Cards | hard |
| Moving Checker | medium |
| 1s And 9s | medium |
| Perfect Ratio | hard |
| Standing Table I | medium |
| Winner Takes All | medium |
| Exponential Inequality I | easy |
| GCD Expectation | medium |
| Interesting Summation V | hard |
| Expected Number Of Rectangles | medium |
| Conditional Normal II | easy |
| Maximum Till Now II | medium |
| Expected Wait Time I | easy |
| Maximum Within An Interval | easy |
| Vector Toggle | hard |
| Place Or Take | medium |
| Broken Elevator | hard |
| Penguin Walk IV | medium |
| Maxima Sum I | medium |
| Tired Rabbit | medium |
| Sphere Variance | medium |
| Elevator I | easy |
| Non-empty Intersection | medium |
| Chords Intersection I | medium |
| Ten Cars Meet | medium |
| Easy Card Expectation | easy |
| Half Permutation | easy |
| Heavy Group | easy |
| No Empty Bucket | medium |
| Graph Travel I | medium |
| It Took Ten Turns | hard |
| Chess Tournament IV | medium |
| Normal Inequality III | medium |
| Drunk Passenger II | hard |
| Triangle Formation I | medium |
| Second Last II | hard |
| Distant Points | medium |
| Intersecting Subsets | medium |
| Exactly 2 Consecutive Heads | easy |
| Painted Cube I | easy |
| Largest 3 | easy |
| Ball With Maximum Value | medium |
| Five Light Bulbs | easy |
| Tetrahedral Die II | hard |
| Subset Divisibility | hard |
| Unfair Advantage | medium |
| One Colored Face | easy |
| Coin Transactions | hard |
| Seven Colors III | hard |
| Extended Rock-Paper-Scissors | medium |
| End With 2018 | easy |
| Same Arc II | hard |
| Chess Tournament V | medium |
| Win-win | medium |
| Archery I | medium |
| Chords Intersection II | hard |
| Dice Game V | easy |
| Hexagon Inside Hexagon | medium |
| Same Arc I | hard |
| Expected Area | easy |
| Baseball Series | easy |
| Largest In Smallest | easy |
| Passing The Coin I | easy |
| Not That Easy | easy |
| Same Part | medium |
| Low Median | easy |
| Dice Triangle II | hard |
| 3 Heads 3 Tails I | medium |
| Get Heads | easy |
| Ten-Dimensional Ball | medium |
| No Chords Intersecting | medium |
| Socks Remaining III | hard |
| Color And Roll | easy |
| At Least Six II | hard |
| Expected Ping-pong Games | easy |
| Forming Quadratic Polynomial I | hard |
| Combining Turtles | easy |
| Mathematical Expression I | medium |
| Prime Sum | easy |
| Positive Product | medium |
| Dominant Flip | medium |
| Strictly Behind | medium |
| Ants On A Circle III | hard |
| Drunk Passenger III | hard |
| Everything Odd | medium |
| Marble Swap II | easy |
| Boy-girl Adjacent Pairs | easy |
| Gojo's Six Eyes | hard |
| Expected Value | hard |
| Even Head Stop II | easy |
| Penguin Walk X | medium |
| How Many 5s | medium |
| Unit Digit Probability II | medium |
| Nearest Paint I | hard |
| Five In Numerator | easy |
| Spaced Uniforms II | hard |
| M,P,F,G | easy |
| Expected Remainder | hard |
| 10 Consecutive Heads | medium |
| Chess Tournament I | medium |
| Unlucky Seven | medium |
| Finding Seven | medium |
| Remove The Subtree | medium |
| Dice Game VIII | medium |
| Sufficient Sum IV | hard |
| Prime Dice | easy |
| Non-absorbing Random-walk | easy |
| Direction Change III | medium |
| Noodle Loop | hard |
| Guess The End | hard |
| Sensor Signal | medium |
| Biased Coin Game I | medium |
| Coin Reflip Game | easy |
| k-inversions | medium |
| Dice Difference III | hard |
| Ants On An Octahedron | medium |
| Same Values On Dice | medium |
| Largest Prime Probability | medium |
| Minimum Correlation | easy |
| Equal Heads | easy |
| Same Birthday Probability | easy |
| Painted Cube II | easy |
| Segment Overlap | easy |
| 2x3 Grid | easy |
| Infinite Sum Expectation | hard |
| Letter-envelope Pairing | hard |
| Too Many Slips | hard |
| Dot Product | medium |
| Circuit | medium |
| Sorted Rows | medium |
| Expected Ones In Binary | hard |
| Circular Frog | medium |
| Get King And Ace | medium |
| Random Knight Movement | medium |
| Early 5s | medium |
| Learning To Walk | hard |
| Jumping Frog VII | medium |
| Sufficient Sum II | hard |
| Seven Colors II | medium |
| Odd Sum Revisited | easy |
| Jumping Frog IX | medium |
| Permutation Blocks | hard |
| Row Expectation II | medium |
| Heaven Or Hell | hard |
| Roll Die Till 65 | easy |
| Coin Equalizer | medium |
| Power Factor | easy |
| Expected Occupied Seats | medium |
| Card Picking II | medium |
| Regular Octagon | medium |
| Increasing Birthdays | easy |
| Direction Change I | medium |
| Circle In 3 Quadrants | medium |
| Frog Distance II | hard |
| Gambler's Ruin II | medium |
| Local Maxima | medium |
| Complex Circle | easy |
| Even Marbles Everywhere | medium |
| Probability Of Subset | hard |
| Conditional Normal I | easy |
| Penguin Walk III | easy |
| Red Card Prediction | medium |
| 5-runs | hard |
| Standing Table III | hard |
| Going In Circles | medium |
| Uniform Random Variables I | easy |
| Expected Head-Tail Ratio | medium |
| Marble Swap I | medium |
| Conditional Normal III | easy |
| Interview I | hard |
| 3 Consecutive Heads I | easy |
| Green And Yellow Dice | easy |
| Normal Inequality IV | easy |
| Bacteria Population | easy |
| Same Cards | medium |
| Origin In Between | easy |
| Chess Tournament III | medium |
| Green Ball Draw | easy |
| Bacteria Population I | easy |
| Predicting King Draws | medium |
| Payment | easy |
| Painted Cube III | easy |
| Expectation Lower Bound | medium |
| Keep Multiplying | hard |
| Unique Birthdays Expectation | medium |
| Everything Contained | medium |
| Up, Right And Diagonal | medium |
| Square Intersection I | easy |
| Average Drawn | easy |
| Polygon Triangle | medium |
| Blue Marble Remaining | medium |
| Grid Arrangement IV | easy |
| Nearest Paint II | hard |
| Tetrahedral Dice Game | medium |
| Ordered Pairs In Permutation | medium |
| Expected Wait Time III | easy |
| Consecutive 1s | easy |
| Maximising Heads II | easy |
| Meeting Probability | easy |
| Rolling Everything I | medium |
| Row Expectation I | medium |
| Direction Change II | medium |
| Truck Parking | medium |
| To Infinity And Beyond II | medium |
| Unfair Rock Paper Scissors | medium |
| Even Majority | easy |
| Game Of Smaller Number | medium |
| Last Uniform | hard |
| 5 Points On A Sphere | hard |
| Optimal Die Choice | medium |
| 3 Dice Minimum | medium |
| Passing The Bottle | hard |
| Coin Toss Game II | medium |
| Heads Run II | hard |
| Conditional Expected Rolls | medium |
| Frog Distance I | hard |
| Sufficient Sum III | hard |
| Circular Seating | easy |
| Matrix Attack III | hard |
| Points On The Same Face | medium |
| Submarine Distance | medium |
| Rolling Everything II | medium |
| Dice Game IV | medium |
| Proportional Coordinates | medium |
| Uniform Number Bet I | hard |
| Secret Marbles II | medium |
| Increasing Decreasing II | hard |
| Fixed Maximum | medium |
| Expected Minimum | easy |
| Expected Determinant | medium |
| Dice Game II | easy |
| Expected Arc Length I | medium |
| Broken Stick II | medium |
| Interview IV | hard |
| Square Fitting I | easy |
| Optimal Bid | easy |
| Expected Wait Time II | easy |
| Double Headed Coin II | easy |
| Only Consecutive Heads | easy |
| Bulb Factory | easy |
| Sum Over One II | medium |
| Sum Over One I | medium |
| Random Segments | medium |
| Jumping Frog VIII | medium |
| Broken Stick I | medium |
| Normal Ratio I | medium |
| Coin Toss Game V | medium |
| Additional Info Coin Flips I | medium |
| Second Last Roll | medium |
| Even Tails Run | medium |
| Asset Price | easy |
| Expected Swaps | hard |
| Even Or Odd | easy |
| Tennis Odds | medium |
| Your Choice | medium |
| 800 Marbles | easy |
| Frog Return | easy |
| Normal Ratio II | medium |
| Uniform Random Variables II | easy |
| Bulbs In A Grid | medium |
| Non-negative Expectation | easy |
| Largest 2 Factor | medium |
| Spaced Uniforms I | hard |
| Russian Roulette I | easy |
| Probability Of Everything | medium |
| Russian Roulette II | easy |
| Card Picking I | easy |
| Maximum Till Now I | medium |
| Increasing Dice Rolls II | medium |
| Secret Marbles I | medium |
| Too Many Unknowns | hard |
| Tails Removal | medium |
| Apples And Oranges | medium |
| To Infinity And Beyond I | medium |
| Repeated Erase | hard |
| Expected Collisions I | hard |
| Regular 21-gon | medium |
| Die Roll LCM | medium |
| Field Construction | easy |
| Ant On A Cube II | medium |
| Fill In The Blanks | easy |
| Starting With Heads | medium |
| One Before Ten | medium |
| First And Last Flip | medium |
| Additional Info Die Rolls | medium |
| Standing Table II | hard |
| Buying Tickets | hard |
| Normal Inequality II | medium |
| Partial Exponential I | easy |
| Unit Digit Probability I | easy |
| Two Random Points | medium |
| Couple I | medium |
| Coin Toss Game VII | easy |
| Ship Destroyer | easy |
| 3 Heads 3 Tails II | easy |
| Dice Pattern Game I | medium |
| Interview II | hard |
| Rigged Game | easy |
| Interesting Average III | easy |
| Monochromatic Removal | medium |
| Stop Or Continue | easy |
| Dice Permutation | medium |
| Triangular Grid | medium |
| Exactly 6 | easy |
| Passing The Parcel | easy |
| Infectious Ants | hard |
| Random Pairing | easy |
| Sufficient Sum I | hard |
| Tetrahedral Die I | medium |
| Power Distance II | medium |
| Game On Jar | hard |
| Alice Rolled The 6 | easy |
| Median Roll | easy |
| Chords Forming Quadrilateral | easy |
| Acute Triangle | hard |
| Coin Toss Game VI | easy |
| Vertical Hit | easy |
| First Ace | medium |
| Queen Before King | easy |
| No Fives | easy |
| Difficult Die Constraints | hard |
| Uniform Product | medium |
| Square Fitting II | medium |
| Square Factor | easy |
| Initial Roll | easy |
| 3 Marbles Remaining | easy |
| Balls In Garbage Bag | medium |
| Max Equals Min | easy |
| Triangle Angle I | easy |
| Normal Inequality I | medium |
| Permutation Return | medium |
| Partial Exponential II | easy |
| Socks Remaining II | hard |
| Even Head Stop I | easy |
| Maximum Rolled Value | easy |
| Winning Odds | easy |
| Dice Game III | medium |
| Handshakes On A Chessboard | medium |
| Optimal Card Guessing | medium |
| Simulate 1/3 | easy |
| Line Splits I | medium |
| Draw A Spade | medium |
| Early Head Probability | easy |
| Passing The Coin II | easy |
| All Suits | medium |
| Non-linearity Of Expectation | medium |
| Matrix Attack I | easy |
| Never Divisible By 3 | hard |
| Red Blue Game | hard |
| Penguin Walk VIII | easy |
| Exponential Ratio | easy |
| Integer Selection | easy |
| King Before Ace | hard |
| Hit 995 | hard |
| 14 Marbles | medium |
| Get More Heads | hard |
| Normal Inequality V | medium |
| Car Clusters | hard |
| Ant On A Cube I | medium |
| Swap Swap | medium |
| Points On A Square | medium |
| Dice Game I | easy |
| Dice Multiple I | medium |
| Roll Till Even | easy |
| Power Distance I | medium |
| Jet Trail Intersection | medium |
| Set Intersection | easy |
| Probabilistic Strategy I | easy |
| Penguin Walk V | easy |
| Moving Ants I | easy |
| Coin Toss Movement | easy |
| Odd Heads I | easy |
| Pizza Standard Deviation | easy |
| Increasing Dice Rolls III | easy |
| Cherries | easy |
| Increasing Rolls Expectation | medium |
| Distinct Faces | medium |
| Subset Subset | medium |
| Word Problem I | easy |
| Shooting Arrows I | easy |
| Chess Tournament II | medium |
| Game Of Discarding Cards | easy |
| Unknown Balls | medium |