00:00Detective Callum was investigating a new mysterious case.
00:04He was looking for clues in the attic of an old mansion when he suddenly heard a click.
00:09That's right, he got stuck inside. But it got worse.
00:13The room started to get filled with water. How can Detective Callum escape?
00:26Do you see the ball? It floats in the water.
00:29So the detective should just hold on to it.
00:32And when the water level gets high enough to reach that window in the ceiling,
00:36he'll just need to open it and escape.
00:39Now you will turn into a detective yourself.
00:42I'll show you some pictures, and you'll need to find some proof to confirm certain facts.
00:47For example, this.
00:49Hayley lives in college and rents an apartment.
00:52One day, her mother comes to visit.
00:54She has suspicions that Hayley lives with a boyfriend.
00:57Look at her apartment at Teneflin.
00:59Can you figure out if she lives alone or with someone?
01:12Okay, there are a few clues here.
01:14First, look at the number of shoes. Way too many for one person.
01:18And some of them are men's shoes.
01:20And then, there's a calendar on the wall with stickers.
01:24Some say Hayley, and others say Brian.
01:27So there's definitely a Brian in this house.
01:32Mrs. Miller grounded her daughter Geneva for not doing well at school.
01:36The girl was supposed to stay home and study all the time.
01:39On the weekend, Mrs. Miller had a night shift at work.
01:43When she returned home on a Sunday morning, she peeked into Geneva's room.
01:47Can you figure out if the girl studied last night or not?
01:54There's a bowl with popcorn leftovers on the floor and four glasses.
01:58She definitely had some friends over.
02:03Jennifer rented out her guest house,
02:05and she specifically mentioned that pets weren't allowed to stay there.
02:09Still, she regularly heard some barking at night
02:12and started to suspect that her tenant had gotten a dog.
02:16When Jennifer came back to the apartment,
02:18she heard some barking at night
02:19and started to suspect that her tenant had gotten a dog.
02:23One day, she went to check the guest house.
02:25Do you think a dog lives here?
02:36Look at those chewed shoes.
02:38I bet it wasn't a person who did this.
02:42Ben sells milk.
02:43He has a big pot full of milk,
02:45and he wants to make sure that he can send
02:47any amount of gallons of milk a customer would want.
02:50He can only buy four jars of different capacities.
02:53What should be the capacities of the jars
02:56to make sure he can measure any whole amount of milk
02:59from one gallon to 40?
03:10Well, there should be one jar of one-gallon capacity,
03:13so we get this one.
03:14Now, if someone wants to get two gallons,
03:16we don't need to have a two-gallon jar.
03:19We can have a three-gallon jar, fill it in,
03:21and pour one gallon into a one-gallon jar.
03:24The rest will be two gallons.
03:26Now, the customer who wants three gallons is covered too.
03:29Four gallons will easily be measured by those two jars.
03:33To get five gallons, we can buy a nine-gallon jar,
03:36pour out three gallons, and then one more.
03:39Everything from 6 to 13 gallons is covered by these three jars too.
03:44Now, we need 14 gallons.
03:46So, we can have a jar of 14 gallons plus 13 gallons,
03:51which is a 27-gallon jar.
03:53We get 14 by filling the 27-gallon jar to the brim
03:57and then filling the 9-gallon, 3-gallon, and 1-gallon jars.
04:01Using different combinations,
04:03any amount from 15 to 40 will be covered too.
04:07Phew, that was tough!
04:09Let's take a break and solve something easier.
04:12All you need to do is think outside the box.
04:15Here's a sequence of numbers. Take a look.
04:18The question is, what comes next?
04:22It's not as difficult as it might seem.
04:26The next one up is a comma.
04:30I am found in the sea, but I perish in water.
04:34What is it?
04:45It's salt.
04:47Three men, two women, and one child.
04:51It's salt.
04:53Three men, Jack, John, and James, were on a boat trip.
04:57The boat flipped over, but only two men got their hair wet.
05:01How is it possible?
05:11Well, one of the men was bald.
05:14Seven men were standing at a bus stop, waiting for a bus.
05:18Well, that figures.
05:20They tried to fit under one umbrella, and none of them got wet.
05:24How is it possible?
05:34Well, it simply wasn't raining.
05:37Now, how about some matchstick puzzles?
05:40Here's the first one. Move one matchstick to make it correct.
05:51You just need to move this one and turn minus into plus, like this.
05:56Let me know if you came up with another solution.
05:59Okay, here's the next equation for you.
06:02And again, you can only move one matchstick.
06:14The solution is similar.
06:16The solution is similar. We turn 8 into 6 and minus into plus.
06:20Did you get it right?
06:22Great job! And here's the next one.
06:25As always, you can only move one matchstick.
06:28What's your call?
06:38Now we should turn plus into minus, just like this.
06:43Okay, two more of these. Ready?
06:45This one is easy. Can you get it right?
06:56Yes, of course! Great job!
06:59And now, the last one of these puzzles for you.
07:02The numbers are bigger, the stakes are higher.
07:04Let's see if you can get it right.
07:15Okay, this is the solution. Did you get it right?
07:21Moving on. Esme was having her casual walk in the forest.
07:25She always got lost in that forest, and it happened yet again.
07:29But luckily, she found the house of the witch, who was already her good acquaintance.
07:33Esme asked the witch to take her home, but the witch wouldn't let her go without a task.
07:38I want to play chess with you, but it won't be just a regular chess game.
07:42We will have superpowers.
07:44One of us will get the mind-reading ability, and the other will get the ability to see the future.
07:50You can choose your superpower first.
07:53Which superpower should Esme choose if she wants to have the best chances?
07:59ESME'S SUPERPOWERS
08:07Esme should choose mind-reading.
08:09To figure out why, let's see how a chess player thinks.
08:13A chess player sees several possible moves. They're called candidate moves.
08:17For each of those moves, the player thinks of the possible responses of the opponent.
08:22The player judges which are good and which are bad, and then also thinks of their next move.
08:27So, the depth of strategic thinking and the ability to choose the best moves are what determines the winner.
08:34Now, if Esme has a mind-reading ability, she can see all the strategic calculations of the witch.
08:40Now, there are three possible outcomes.
08:43The first one is if Esme is a better player than the witch. Then she will easily win.
08:48The second one is if the witch is a better chess player.
08:51In this case, Esme can take advantage of the fact that she can read the witch's calculations of the game
08:57and her judgment on which moves are good and which are not.
09:00So, Esme can then just go with the moves that the witch thinks are the best for Esme to make.
09:05So, Esme will be able to finish the game in a draw.
09:09The third case is if they're equally good. In this case, they can also end the game in a draw.
09:15In this case, Esme chooses to read the future. She will know the witch's next move.
09:21But she won't have access to the witch's reasoning and calculations.
09:25She'll have to go with her own judgment.
09:27So, if Esme is a better player, she'll win.
09:30If they are equally good, the game will end in a draw.
09:33But if the witch is a better player, then the witch will win.
09:37So, choosing the mind-reading ability is a safer bet.
09:41Let me know if you have another solution. See you later!
09:46That's it for today! So, hey, if you pacified your curiosity,
09:49then give the video a like and share it with your friends.
09:52Or if you want more, just click on these videos and stay on the Bright Side!
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