Riddles Even AI Fails to Solve (Can You?)

Bright Side

Think you're smarter than an AI? Well, here's your chance to prove it! We've got some riddles lined up that even AI struggles to crack. Test your brainpower and see if you can solve these tricky puzzles. It’s fun, challenging, and might just stump you like it did the machines. So, grab a friend or go solo – let's see if you’ve got what it takes! Ready to show ChatGPT who's boss? Jump in and give it a try!

Transcript

00:00So, John is hosting his monthly thematic dinner.

00:04Each month, he picks a different theme, and they spend the entire evening eating and laughing.

00:09He spent days searching the internet for one of the most difficult riddles he could find

00:13to give his friends a real challenge to solve.

00:16That's when he found the four glasses puzzle.

00:19His guests arrived, and he explained the rules of the game to them.

00:22They would each start the game with four empty glasses that were right-side up.

00:27In each move, they would need to invert exactly three different glasses.

00:31To win the game, the person should be able to find the minimum number of moves

00:36to get all of the four glasses facing down.

00:39Hey, do you think you can beat John's guess in solving this riddle?

00:42In the first move, you should pick any three glasses you'd like and turn them upside down.

01:02Then, the second move is where you should use a little bit more of your wits and skills.

01:07You shouldn't pick the exact same three glasses you picked in the first round, otherwise,

01:12that would take you back to the beginning.

01:14Instead, you could choose to invert the glasses 1, 2, and 4, for example.

01:20So, after move 2, you end up with the following order – up, up, down, down.

01:25Then, your best move may sound counterintuitive.

01:28But you should pick two glasses that are down and one glass that is up.

01:32In the fourth move, you should pick the three glasses that are up and invert them.

01:38This way, you'll have all four glasses facing down.

01:42Congrats!

01:43You've just shown John and his party guests that the minimum number of moves to win this

01:47game is four.

01:50Sandy was exploring the wood near her house when she discovered a magical portal.

01:55On the other side of it, she was shocked to find three of her close friends – Alex,

02:00Betty, and June.

02:01They had been captured by a trickster creature that had cast a spell on them.

02:06After that, one of them could only tell lies, the other could only tell the truth, and the

02:12third one was sort of a spy – sometimes she lied, other times she told the truth.

02:18Sandy decided to talk to each one of them.

02:21Alex said she was not the truth teller.

02:23Betty said she was not the spy.

02:26And June said she was not a liar.

02:28Can you help Sandy figure out what June was cursed with?

02:44Well, let's see how we can solve the problem.

02:47In total, there are six possibilities to consider, and we should start with the most obvious.

02:53If Alex was a truth teller, then she could not say that she is not a truth teller.

02:59She can't be the liar either, because then her statement would actually be true.

03:04So it's settled.

03:05Alex is the spy.

03:07If Betty was a liar, then she would be always lying.

03:11Saying that she is not a spy would actually be true.

03:14So this is a no-go.

03:16Since she can't be a spy, this means she's the truth teller.

03:20Bingo!

03:21This means that June is the liar.

03:25It was Blake's lucky day.

03:27He won $1,000 on a lottery ticket.

03:30Of all the things he could spend this on, he knew immediately that he wanted to spend this money

03:35buying his favorite chocolate in the world.

03:37The chocolate bar he loves costs $1, and since his luck just keeps growing, the local store

03:44is having a promotion.

03:45For every four chocolate wrappers he takes back to the store, the store will give him

03:50one chocolate bar for free.

03:52Ooh, talk about abundance.

03:54How about you show off your genius and figure out the maximum number of chocolate bars Blake

04:00can get?

04:07Well, let's see the best he could do.

04:16If Blake spends all of his money and buys 1,000 chocolate bars, he'll have 1,000 wrappers.

04:22Correct?

04:23Then, if he exchanges every 4 wrappers for one additional chocolate bar, he can get 250 more

04:30chocolate bars from his 1,000 wrappers.

04:32Now, if Blake exchanged those 250 wrappers, he'd get another 62 chocolate bars.

04:39He'd use 248 wrappers, leaving him with the remaining 2 wrappers.

04:45Then, his best deal would be to take those 62 wrappers, add the remaining 2 he kept from

04:50the last exchange, and he would have 64 wrappers in total.

04:54He can exchange these wrappers for another 16 chocolate bars.

04:57Then, he'd take these 16 wrappers and trade them for 4 more chocolate bars.

05:02Exchanging those last 4 wrappers, he'd get his final chocolate bar.

05:06So, if Blake follows this process, he'll get a maximum of 1,333 chocolate bars in total.

05:14Now, we're not saying this is a smart idea, but…

05:18Your mother asks you to measure 4 cups of orange juice using 2 jugs.

05:22The thing is, you have a 20-cup jug and a 36-cup jug.

05:27How can you do it?

05:32You need to start by pouring the orange juice into the smaller jug.

05:46Then, pour all the juice from that jug into the 36-cup jug.

05:51This way, the empty space from the big jug would give you 16 cups.

05:55After doing that, you can fill the 20-cup jug using more fresh juice and pour that liquid

06:02into the 36-cup jug.

06:04That way, you'll fill the entire 36-cup jug, and what's left in the smaller jug is the 4

06:10cups of juice your mom asked for.

06:13Then, you can start an orange juice stand.

06:15Sophie's aunt, Clara, bought a bottle of perfume for her niece's birthday.

06:22Unfortunately, Sophie couldn't keep it because her sister, Mia, is terribly allergic to perfumes.

06:29Sophie brought it back to her aunt, who had purchased it for $65.

06:33And Clara then sold the perfume to someone else for $80.

06:37But then she remembered she had another niece, Lily.

06:41So, she bought it back from the lady for $70.

06:45However, Lily turned out to be allergic too.

06:47So, aunt Clara had to sell the perfume again, this time for $60.

06:52Did she make any profit in this whole situation?

06:55Yes, aunt Clara made a $5 profit and celebrated it by grabbing a large latte.

07:15James, a mad scientist, was on a quest to solve a crazy problem from a friend.

07:20This challenge had him stopping everything just to figure it out.

07:23James had two stacks of cups to analyze.

07:27One stack had five cups piled on top of each other, reaching a total height of 13.5 inches.

07:34Right next to this stack, there was another stack but just two cups,

07:38totaling 7.5 inches in height.

07:53James needed to figure out how tall a single cup was.

08:00At first glance, it might seem like you could just divide the total height by the number of cups.

08:05But that wouldn't work here.

08:07Instead, James thought about the problem differently.

08:10He considered the height of a single cup as XX,

08:13and noticed that each cup didn't sit perfectly on top of each other.

08:17There was a bit of overlap.

08:19For the two-cup stack, the combined height is 7.5 inches.

08:24This includes the full height of the first cup,

08:26plus the part of the second cup that sticks out just above the first cup.

08:31The five-cup stack, which is 13.5 inches tall,

08:35includes the height of the two-cup stack,

08:37plus the additional height contributed by the overlapping parts of the three more cups on top.

08:43By examining the difference,

08:45James realized that the height of the overlapping parts of the cups amounted to 2 inches.

08:51With this information,

08:52he figured out that the remaining height for a single cup was 5.5 inches.

08:58Eureka!

08:59His persistence paid off, and James cracked the riddle.

09:03You might say,

09:03his cup runneth over,

09:05but that's too obvious a pun.

09:07But I'll say it anyways.

09:09Ha ha!

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