Last update was at Mar. This message was edited 1 time. Advanced Search. Toggle navigation Home. Riddle of the Month: The Missing Dollar.
Last month we gave you a riddle directly from the genius mind of Albert Einstein himself or so they say. On a street, there are five houses painted five different colors. In each house lives a person of a different nationality.
These fives homeowners each drink a different beverage, smoke a different brand of cigar, and keep a different pet. The Brit lives in a red house. The Swede keeps dogs as pets. The Dane drinks tea. The green house is next to and on the left of the white house. The owner of the green house drinks coffee. The person who smokes Pall Mall owns birds. The owner of the yellow house smokes Dunhill.
The man living in the center house drinks milk. The hearts are, in fact, exactly the same hue - a vivid pink. These two hearts in the image appear to be totally different colours. One appears purple while the other is a bright orangey red. In fact it is the placement of the geometric stripes that fools our brains into seeing something which isn't really there.
The narrator on the video from Bite Size Psych explains: 'If you zoom in on the picture you find that the striped bars aren't actually the same colour. This gives us a vital clue to how our vision works. It suggests that we perceive an object's colour based on its proximity and contrast with surrounding shades.
The video has so far amassed 29, views on YouTube. The narrator on the video from Bite Size Psych explains: 'If you zoom in on the picture you find that the striped bars aren't actually the same colour'. These surrounding blue bars make the heart seem purple while these surrounding green bars make the heart appear orange. Meanwhile Tim Urban and Andrew Finn of the website butwaitwhy.
The premise of the brain teaser is that you have to choose to eat one of three jelly beans laid out on a stump, two of which are poisonous. All three of the jelly beans are delicious. It suggests that we perceive an objects colour not based on its actual colour but on how it compares to the surrounding colours. Three jelly beans are laid on a stump and you have to choose one to eat, but two of them are poisonous and will kill you.
According to the riddle, you decide to pick up the green jelly bean. But just before you eat it, a man takes away the blue jelly bean explaining that it's definitely poisonous. That leaves the red one on the stump and the green one still in your hand. You get one last chance to change your mind about which one to take.
Solving the riddle involves choosing between the red and green jelly beans - one of which is definitely poisonous. You might think that now it's down to two jelly beans that there's a chance you have the poisonous one and decide to stick with green. In fact, it's twice as likely to poisonous and the red jelly bean is two thirds more likely to be safe.
The blue jelly bean is taken away and you're told it's definitely poisonous. Should you swap with the red sweet or stick with the green? So switching is a good choice two-thirds of the time. The test is just the latest in a string of a popular brain teasers sweeping the net.
Recently, puzzlers were challenged to find a hidden picture inside a red circle? The brain teaser was said to test the internet's vision with people able to see everything from a detailed image to just an outline, while others struggled to spot anything at all. Is your eyesight good enough to see the hidden picture inside this red circle? The brain teaser has appeared online quizzing internet users about whether they can see another shape hidden inside the red blob, above.
While some claimed they could see the whole image in perfect detail, others were left scratching their heads in confusion. When the dot is flipped you can clearly see a detailed sketch of a horse complete with a mane and tail, saddle and bridle and grass around its feet. Some people can only see the outline of the image before the red spot is flipped, while others say they can see much more. Try the test below to see how you get on. While some claim they can see the whole image perfectly, others are completely baffled by the image.
When the dot is flipped, right, you can clearly see a detailed sketch of a horse complete with a mane and tail. The online teaser shows how some people only see the outline of the horse rather than the other details in the picture such as the grass, mane, tail and saddle.
An image of an iPhone screen became an internet sensation recently as thousands of people deliberated over the photo, which was widely shared along with the question: 'How many threes can you see in this picture? Social networkers came up with the most common answers of either 15, 19 or But which answer is correct?
There are in fact 19 number threes pictured in the image, but there could be 21 depending on how you interpret the question. Can you count how many threes are on the iPhone screen? If you see 15, 19 or 21 number threes, you have arrived at the same conclusion as the majority of social networkers Apart from the eight threes in the phone number, there are two threes on the key pad as the number eight button has been replaced.
That totals 15, the answer many social networkers have come to. On closer inspection, however, there are a further four hidden digits, totaling Three of the letters in the contact's name have been replaced with threes and the letter 'I' on the number four key has also been replaced. But many online posts give the answer to be 21, with people seeming convinced that there are a further two threes in the image.
The differing opinions come down to the interpretation of the question. Many users have included the bar signal and the wifi signal, both of which show three bars. But whether 19 or 21 is the correct answer is a matter of opinion. The images has been widely shared on Facebook and Twitter with the message.
Many users have included the network bar and WiFi signal, both of which show three bars. The puzzle, which has been widely shared on Facebook and Twitter after resurfacing again online, has instigated heated debate - with many left flummoxed at how others arrive at a different answer.
Twitter user Dani posted: 'This thing annoyed the hell out of me when someone said I was like no there's 18 until I looked again properly haha.
How many threes can you see? Facebook Ravi Vidyadhar Pathak came to a grander total and said: '28 if it's saying to count everything that resembles to 3 including the network signal which is 3 dots the page info on left which is 3 the buttons having 3 letters ABC. Another philosophical Facebook user Marc Joseph posted: 'I see only Athene Whitfield finally concluded the answer was 19 but had made so many previous guesses she posted: 'I got to that in the end but thought - I can't send an answer through again!!?
Was getting embarrassed! One user by the name of Sarah was so involved in the problem she posted a mock-up of the screen with the potential answers highlighted in purple. When a friend posted 'Not sure where you get 20 from' she posted: 'Now I'm not sure. It follows an optical illusion poster featuring tigers that resurfaced online this week, asking viewers to guess how many animals it featured.
On close inspection the picture has the big cats hiding in the bushes, bark and even the sky. The image, which appears to have been produced as a poster, has two adults tigers and their two cubs in the foreground. After that it becomes trickier to track down the felines in the picture but there are 12 other tiger faces hidden.
The image appears to have been used as a poster but has resurfaced on the internet. The puzzle has the big cats hidden in foliage, trees and even the ground with all 16 very difficult to find.
In the foliage to the right of the tigers, there's a fern in the shape of a tiger's face, with two hiding in the dirt beneath the tigers' feet. In the top of the picture, there are five feline faces hidden within the branches of the trees. While another two are seen in the wide trunk of the tree on the left of the picture and another tiger is face is seen on the left behind it and the last one is hidden in the soil below.
The poster, which features 16 in total, appears to be aimed at children, like many of the logic puzzles which have stormed the internet recently. Another recent brain teaser saw a children's picture with tourists at a holiday campsite and challenged them to answer a list of nine questions.
The image is thought to be from an old children's magazine, according to The Independent, but the tough questions are likely to also leave adults scratching their heads. A recent challenge which baffled the internet is a logic puzzle from an old children's magazine that involves studying a picture of tourists at a holiday camp site and answering a list of nine questions. A series of clues is provided by the apparently calm scene involving boys at a campsite.
The black and white drawing showed three people at the campsite. One is standing by the cooking pot with a ladle, another is rifling through his backpack, and a third is taking photos.
A sign nailed to a tree states said: 'On duty. Colin, 7. Peter, 8. James, 9'. The final name is obscured, but the number 10 is visible. How many tourists are staying at this camp? When did they arrive: today or a few days ago?
How did they get here? Is there a town nearby? Where does the wind blow from: north or south? What time of day is it? Where did Alex go? Who was on duty yesterday? What date is it today? A picnic blanket with four plates, four spoons and a watermelon is laid out on the ground and a hen is scratching in the grass nearby.
Nearby, a tent is pitched and a spider has built a cobweb between the edge of the tent and a nearby tree. The first question asks how many people are staying at the camp. They must also figure out whether they arrived that day or a few days earlier, how they got there and how far away the closest town is.
In addition, they are asked whether the wind is blowing from north or south and what time of day it is. The next question is to state where someone called Alex went. Finally, they must figure out who was on duty yesterday and what day of the week it is.
Unlike the many cartoons that have swept the web in recent months challenging users to spot figures hidden in a sea animals or Star Wars characters, this puzzle relies on deduction.
The answer to how many tourists there are is relatively easy to figure out. As there are four spoons and plates on the blanket and four names on the duty list, the answer is quite obvious. Hungarian cartoonist Gergely Dudas, also known as Dudolf, posted his latest puzzle a few days ago to celebrate Easter, challenging fans to find an egg cleverly disguised alongside a group of bunnies.
The egg is cunningly disguised between a pair of white rabbit ears in the second row on the left hand side. The cobweb gives a clue to when the group arrived as it must have been a few days earlier to give the spider time to build it. An oar leaning up against the tree is the key to figuring out how they got there - by boat. The hen indicates that the nearest town is not far away as it's managed to wander into the campsite.
A flag on the tent, known as a windsock, shows that the wind is blowing from the south, but to figure this out you need to be aware that branches on the southern side of trees in the UK get more sun and grow more densely.
There are four tourists. They arrived a few days ago. A spider's web has appeared between their tent and a tree in that time. They got there by boat. No, a village is not far. The wind is blowing from the south. A flag that shows the wind direction is on top of the tent.
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