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"Jar of Jellybeans" Contest

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"Jar of Jellybeans" Contest (trope)
You can try complicated math...
or you can just empty the jar.
A once-common contest at fairs, fundraisers, and math classes taught by a Cool Teacher. The premise is simple; guess the number of jellybeans in a jar, and win a prize, often the jar of jellybeans itself.

There are multiple ways of coming to the solution, such as blind guessing, getting an identical jar and counting how many jellybeans it takes to fill that up, or using math to determine the jar's volume and the volume of a single jellybean. In the world of fiction, it's a good premise for an episode, or at the very least, a gag, wherein the characters try to figure out the central question.

"How many jellybeans (or whatever the item is) are in the jar?"

Don't expect the correct answer to be accurate to the actual number of jellybeans inside, though.


Examples:

    open/close all folders 

    Advertising 
  • Toyota did a commercial in which a customer could get a special discount on a car if they could guess the number of peapods in a jar. Subverted in that the customers would always point out there was only ONE peapod in the jar, at which point a gong would sound and the announcer would say "Winner! Winner!"

    Comedy 
  • Mitch Hedberg mentioned that he didn't like this form of "contest" because they never offered the prize he actually wanted:
    "Aw, c'mon, man; just let me have some! How about you guess how many I want? If you guessed 'a handful', you would be right!"

    Comic Books 
  • Disney Ducks Comic Universe:
    • One story had Donald and Gladstone both participate in a contest like this, with regular beans instead of jellybeans, organized by a travel agency. Gladstone just made a random guess, while Donald went so far as to purchase a similar jar as the one in the contest, fill it up with beans, and count them...and concluded that Gladstone had guessed exactly the right number. Donald then tried to sabotage the contest by having a bird eat some of the beans, but Gladstone still won since one of the beans germinated, and the resulting plant provided enough beans to make up for the ones the bird had eaten.
    • A single-page story included another contest, which Donald again tried to work out by getting a jar the same size and filling it with jellybeans himself. At the end it is revealed the real count is much lower, as the jar also included a rock the size of your fist. Donald was not pleased.
  • In the Garfield graphic novel story "Down for The Count", Jon tries to guess how many jellybeans are in a jar for five hundred dollars. He tries to win by counting them himself, but after several interruptions break his concentration, he gives up. Garfield, however, gets the correct answer, so Jon wins... and is forced to pay back several people Garfield wronged throughout the story, leaving him with just one dollar.
  • The Simpsons: One issue features one, which Bart and Lisa try to win. Despite Lisa's calculations, they fail, but Homer wins it by just happening to say the correct number while he's nearby. When the jar is emptied, Lisa finds out why she didn't get it right — one of the jellybeans was much bigger than the others.
  • Superman: Superman once used "super-mathematics" to determine the amount of beans in a jar by knowing the weight of one bean and the weight of the jar. The legitimacy of this power is somewhat questionable; not only is this just simple multiplication, but Superman got the answer wrong by a factor of 10 too high, ignoring the rounding errors.

    Comic Strips 
  • Nancy: In a strip from the '70s, the titular character is staring at a jar full of beans in a store window to figure out how many there are. She then gets a flash of insight, and runs into the store to claim the cash prize. How many beans in the jar? None!! (As a wide, final panel depicts the now-empty, tipped-over jar, courtesy of the store's cat.)
  • In one of the Sunday editions of the Rugrats comic strip, Angelica and her father are at a fun fair, and a carnie offers Angelica the chance to win a prize if she can guess how many jelly beans are in a jar. Angelica's answer: "All of them". The carnie tries to protest that he meant for Angelica to name an exact number, but Angelica points out her answer is technically correct and accuses the man of cheating. The carnie ultimately gives in and Angelica gets her prize; a huge teddy bear, though he also instructs Angelica to please never tell anyone about the loophole she discovered.
    Angelica: What'd he mean "Never tell this to anyone", Daddy?
    Drew: Er — He wouldn't want you to give away the answer and spoil it, sweetheart.

    Fan Works 
  • Total Trauma: In the three-part Breather Episode "Jellybean Warfare," Courtney tests her math whiz girlfriend Cecily by having her guess the number of jellybeans in a jar. Shockingly, Cecily gets the exact number right, but Courtney eats some of the jellybeans to try and claim she was a few beans off. Cecily knows better though, and chases down Courtney, who refuses to kiss her lest Cecily taste jellybeans on her lips.

    Films 
  • In the 1996 ABC Family movie Christmas Every Day, one of the ways Billy Jackson takes advantage of the "Groundhog Day" Loop is stealing one jellybean from the jar so his bully doesn't win the contest.

    Literature 
  • The Six Bullerby Children: Lasse, Bosse and Lisa organize a Christmas contest for everybody in Bullerby. Whoever guesses right the number of peas in a jar wins their prize which is a huge piece of gingerbread.
  • Counting on Frank features a local club that has one of these with a trip to Hawaii as a prize. Because the book's protagonist is especially skilled at math and estimation, he wins easily.
    They didn't know who they were dealing with.
  • One Encyclopedia Brown case has one of these in its backstory. The case itself focuses on how the kid who won the contest had his prize stolen by Bugs Meany.
  • Fudge: The first book, Tales of a Fourth Grade Nothing begins with Peter winning a turtle (which he names Dribble) at his friend Jimmy Fargo's birthday party for guessing that there were 348 jellybeans in Mrs. Fargo's jar. Although there were actually 423 jellybeans, Peter still won because his guess was the closest.
  • The central premise of Truman Capote's short story "Jug of Silver", where a drugstore puts up the titular jar and everyone in town wants to win it.
  • Polk Street School: Book #3 of the original series is The Candy Corn Contest, revolving around one of these but with candy corn instead of jellybeans, with the winner receiving the contents of the jar. Richard "Beast" Best really wants to win, and can't stop himself from both sneaking a peek at the winning number (which is written on the bottom of the jar) and actually swiping a few pieces from it before the end of the contest.
  • In one of British author Pamela Oldfield's Melanie Brown stories for young children, Melanie is put in charge of the "guess the number of sweets in the jar" stall at her school fete, but accidentally blurts out the correct answer when a boy from her class gives an answer which is obviously wrong.

    Live-Action TV 
  • In an episode of The Adventures of Superman, an old woman needs to win the prize so Clark picks up the jar, stares at it for a second, and tells her to guess a very specific number. When the beans are counted, the lady wins because, of course, Clark counted every jellybean in the brief moment. (Well, he is Superman!)
  • In The Brady Bunch episode "The Tattle-Tale" (s2e10), Alice is found counting jellybeans in the kitchen, to approximate the number of beans for a store contest.
  • The Corner Gas episode "Bean There" had this as an A-plot, but Brent, Karen and Emma had trouble counting the beans for the contest, so they decide to just lie to everyone and make up a number. The townsfolk end up catching them in their lie because they didn't bother to actually decide on what number to make up, resulting in them making up three different numbers and giving contradictory hints when prodded.
  • iCarly: The school has a contest involving guessing how many Fat Cakes were in a jar, all to win the largest locker in school. Freddie did complicated math, while Sam just guessed because "Mama knows her Fat Cakes". They were both correct, and they both had to share the locker. Gibby guesses five.
  • Lost: Martha, the woman Hurley visits in Western Australia, tells Hurley that her husband used the Numbers to calculate the number of beans in a jar. She doesn't say how he used the numbers, but presumably he didn't just put all the numbers together (which would be over 4 billion) or add them up (only 108).
  • An episode of Monk had the title character go to a carnival as part of an investigation with Sharona and Benji. It turned out they were having one of these. Monk tells Benji to guess a certain number (without actually seeing the jellybeans) and he wins. He explains at episode's end that he actually saw the boxes for the jellybeans, multiplied the number of boxes by the normal amount in the box, and subtracted a few to account for the proprietor eating some.
  • In one episode of The Middle, Frankie Heck gives an idea to her boss to pull one of these contests, only that the beans fill the interior of a car and the car is the prize. It ends up going horribly wrong: after being so long under the sun, all of the beans melt together into a gigantic block of candy, making the vehicle utterly impossible to give away, let alone sell. Also, she forgot to write down how many jelly beans she put in the car anyway.
  • Odd Squad: One episode shows a flashback that Agent Octavia had. In it, she and her partner Oz meet up against Jelly Bean Joe, which had one of these. If they don't get it in time, a box filled with pudding will explode and cover the whole town. For the first attempt they counted each bean one by one. As you may guess, it wasn't successful, however they used estimations provided by Estimation Eddie on the second. They got 1500, but that wasn't an available option, but 1520 was.
  • The Office: This was one of the various bets happening in the episode "Safety Training".
  • The Tonight Show Starring Jimmy Fallon had one of these on the "Wheel of Game Shows", with the twist that there were hardly any jellybeans in the jar at all.
  • In the Broad City episode "Working Girls," the temping agency where Ilana briefly works has a large jar of candies with the label "Guess how many and win!" Ilana doesn't see the label and eats dozens of the candies, forcing her boss to count them again.
  • One episode of That's So Raven has Raven hosting a radio show at her school. She decides to do a "Guess how many balls are in the tub" game, only for Chelsea to glance at it and immediately give the exact answer.
    Raven: Chels... How did you know that?
    Chelsea: Isn't it obvious?
    [Raven and Eddie back away]

    Music 
  • An unusual variation occurs in "Albuquerque" by "Weird Al" Yankovic. Early in the song, the narrator mentions his local radio station having a contest to see who can guess the correct number of molecules on Leonard Nimoy's butt. Though he was off by three, the narrator still won the grand prize — a first-class, one-way ticket to Albuquerque.

    Radio 
  • In the episode "A Fun Day Out" of The BBC Radio 4 sitcom The Break, Andy and Uncle Jeff go on a bike ride and happen to find themselves in a village that is holding a fete. Jeff does absurd calculations to get his answers for these competitions, which Andy finds embarassing. Even Jeff finds it embarassing when the winners are announced, and it turns out he won all of them. He quickly decides to forgo the prizes in favour of leaving without being lynched.

    Video Games 
  • The video game version of Counting On Frank expanded on this from the book, turning it from something that happened offscreen to the premise of the game. The player can't measure the jar in-game, but instead has to gather clues by solving the game's other math problems that the protagonist, now named Henry, and his dog Frank think about while exploring his house, the corner store, and the park between the two places. Get the wrong number, and instead of Henry winning the trip to Hawaii, it goes to his Friendly Rival Ginger.
  • Life Is Strange: True Colors has an optional side quest involving helping someone win one of these, using a little detective work from Alex's Empath powers.
  • Lilo & Stitch's Island of Adventures has a minigame where coconuts drop onto the ground and the players have to shout out how many there are without using anyone else's number. The player that guesses closest to the exact amount of coconuts wins an Experiment.
  • Mario Party:
    • Mario Party 2: There is a minigame called "Roll Call" where the player has to count out the correct amount of species present in a forest area. Each variant of the minigame features a caveat to keep in mind: If it's Bob-ombs, the characters have to deduct the current number when one explodes; if it's Boos, they have to account for the ones that vanish and reappear; if it's Toads, they have to avoid mistaking the similar-looking static mushrooms for Toads. The original version has to have the exact amount guessed to win, coming short or going over results in a draw; remakes of the minigame (which appear in Mario Party: The Top 100 and Mario Party Superstars) alter the rule slightly to guess close to the exact amount to win.
    • Super Mario Party: The minigame Senseless Census places each player in a train car full of Toads, and each player can move around separately to count how many Toads are in the car. Many of the Toads are seated at the various booths in the car doing different things, but they will also leave their seats to walk around the car. Players press the buttons on their Joy-Con to count either up or down, and once time runs out, the player who picked the number closest to the correct answer is the winner.
  • Undertale: In Mettaton's first battle, he once asks the player how many flies there are in a jar.
  • One of the puzzles in the third chapter of Wallace & Gromit's Grand Adventures is a count the gumballs challenge. The way to figure it out is to find the bag the candy came out of in the trash, note how many gumballs were originally in the bag, and subtract how many of them were thrown away rather than poured into the jar.
  • Webkinz will sometimes host jellybean contests as part of an hourly rotation of activities. The player can wish KinzCash for guessing.
  • In the final episode of Hector: Badge of Carnage, Hector needs to win a car for some Car Fu into the bad guy's hideout by winning one from this game. To ensure the win, you have to swap out the envelope with the correct number with a replacement holding Hector's guess.

    Web Original 
  • Jet Lag: The Game: One challenge that Toby and Sam took in Season 10 is to buy bubble tea and roughly estimate the number of tapioca pearls inside in one minute. Toby, a mathematician, suggests estimating it using the volume of the boba-filled half of the cup; they however ended up running a gut check instead due to the cup being too cloudy to see through and lost the challenge.
  • Oxventure: Parodied in "A Fete Worse Than Death," where at the titular fete instead of a guessing the number of jellybeans and winning a pig, the heroes find a game where they have to guess the weight of a pig to win a jar of jellybeans.
    Carny: "Sometimes instead we make you guess the number of jellybeans and win the pig! We have fun here."

    Western Animation 
  • The Adventures of Jimmy Neutron, Boy Genius: In the episode "Sheen's Brain", after Jimmy increases Sheen's brainpower, Sheen uses his newfound intelligence to accurately solve one of these. However, Sam refuses to give him the prize as he refuses to believe Sheen could guess the correct answer without cheating.
    Sheen: I said give me my free sundae!
    Sam: And I said there's no way you could've known there were 12,082 beans in that jar without cheating, yeah!
    Sheen: I told you, I used a complex algorithm, based on the dimensions of the jar!
    Sam: Uh-huh. Yesterday, you thought seashells were money. Today, you're using algorithms?
    Sheen: Yesterday, I wasn't a genius! Now, give me my ice cream, monkey boy!
  • Arthur: In the episode "Arthur's Number Nightmare", the school is hosting a fall-themed festival while the kids are obsessing over an unknown numbered list with their names. Buster is number 11 on the list and is convinced it's his lucky number. At the festival, he and Arthur pass a booth with a jar of chestnuts.
    Prunella: Want to guess how many chestnuts are in the jar? You could win a free T-shirt.
    Buster: Eleven!
    Prunella: Not even close.
    Buster: Count them! I demand you count them!
    Arthur: (pushing Buster away) Uh, Buster's a little tired now. We'll come back later.
  • Ben 10: In the episode "The Unnaturals", Ben as Gray Matter is launched into a jar of jellybeans, after stopping a pair of criminals on a truck. The beans are for a contest to win an MP3 player, which Grey Matter is easily able to win.
  • Curious George (TV Series, 2006): One episode of the PBS series revolves around a gumball machine full of toy bouncing balls. Betsy (with George's help) wins the contest by filling a hat box with similar-sized golf balls. Steve's method of multiplying and dividing the different colors proves...less reliable.
  • DuckTales: In the "Super DuckTales" story arc, Fenton Crackshell (who can count any quantity in a second) challenges the Master Electronic Leader to a series of these to prove whether or not robots are superior to organic life. Fenton won each time, able to count the number of ball-bearings in jars faster than the supercomputer M.E.L. For the last round, Fenton challenged M.E.L. to count the bolts, but it's a trick, as the jar was full of nuts, not bolts.
  • In the Ed, Edd n Eddy episode "'Tween a Rock and an Ed Place", one of the activities that Jonny throws at his Arbor Day party that the Eds got shanghaied into attending is guessing the number of seeds in a jar.
  • George of the Jungle: One episode has Howie the howler monkey doing a contest to see how many ticks there are in a jar. Ape was in the middle of saying his guess, only for Howie to tell him the contest was over and that he won. Turns out the "contest" was just a way for Howie to get rid of his jar of ticks, which Ape mistakes for an incident of good luck thanks to a pair of underpants.
  • The Higglytown Heroes episode "Wayne's Good Guess" has the kids visit a candy store and win a free jar of candies by guessing how many candies are in it. When the kids end up unsuccessful, the featured hero is their teacher Ms. Fern, who helps them guess the right amount which is 100.
  • An episode of The Little Lulu Show focused on this, and Lulu and her friends got to the solution by getting an identical jar, filling it with jellybeans, and counting them as they emptied the jar. They gave themselves a stomachache in the process, and unfortunately, the prize was the jar of jellybeans.
  • Max and Ruby: The episode "Candy Counting" has Max and Ruby go to Candi's candy store, where Ruby tries to win a jar of gummy worms by trying to guess how many of them are in the jar, but Max keeps interrupting her while she's trying to count, and after getting tired of Max's annoyances, Ruby tells him that she's told him 101 times to stop, but she indirectly ends up winning the jar because Candi claims that there are exactly 101 gummy worms in the jar.
  • Mona the Vampire: In "Timeout", a jar of jellybeans that is intended to have its contents counted to win a prize is one of the things the episode's villain Mr. Chronor steals while freezing time for an hour each day.
  • My Little Pony: Equestria Girls – Sunset's Backstage Pass: The first thing to distract Pinkie Pie during the Starswirl Music Festival is one of these, with the prize being a tandem bicycle. She gets it wrong, but Sunset gets it in the final time loop, winning them the bike.
  • Such a contest is held in a mall in the Ned's Newt episode "Mall Good Things Come to an End", with a drivable toy car as a prize. It turns out that the mall's security guard has been spending his nights counting the jellybeans by hand, in order to win the car for himself.
  • In the Phineas and Ferb episode "We Call It Maze", it's not a contest, but one of the many puzzles in the titular maze made by a computer. The jar is placed next to a door that will open when the correct number of jellybeans is inputted. While Phineas and Baljeet are debating which units of measure to use to calculate the correct number, Buford gets impatient and opts to eat all the jellybeans and enter "0". It works, though Baljeet calls him out for cheating.
    Baljeet: Okay, technically that is correct, but you did not show your work!
    Buford: I will in about 20 minutes!
  • In one episode of Sid the Science Kid that has estimation as its central theme, Sid's grandmother tells him the story about how she won this kind of contest when she was young. After analyzing the jar closely, she won the contests due to her estimation being the closest to the actual number of jellybeans, merely one jellybean difference. In the same episode, they play the same game at the family dinner with meatballs and she wins again.
  • In the SpongeBob SquarePants episode "For Here or to Go", Mr. Krabs holds a contest, wherein anyone who guesses the correct number of bun seeds in a jar wins a free Krabby Patty. Plankton, who is trying to steal the Krabby Patty secret formula, correctly guesses that there are 500,301 bun seeds (one of them was stuck to the inside of the lid), and when Mr. Krabs refuses to give him a Krabby Patty, Plankton calls the Bogus Business Bureau on him. The BBB threatens to shut down the Krusty Krab unless Mr. Krabs gives Plankton his Krabby Patty. Plankton wins but Krabs turns it around on him by forcing him to eat the patty before leaving, which ruins his attempt to analyze and replicate it.

    Real Life 
  • As stated in the opening sentence, this trope is popular at fairs, fundraisers, and sometimes math classes.
    • Often, the contest promoter will hide a random object deep inside the jar, such as a soda can, for displacement. Not only does this subvert any attempts at calculating the number, but it also reduces the amount/cost of the jellybeans needed to fill it up.
  • In some Southern jurisdictions of the United States, "literacy tests" (read: excuses for banning Blacks from voting without running afoul of the Fifteenth Amendment) included such questions as this trope.
  • In the Italian 1980s television show Pronto, Raffaella?, one of the games consisted in guessing the exact number of beans in a glass jar.

 
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