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Germany vs. Brazil
Brainteaser: Germany vs. Brazil
Unfortunately, the Brazilian superstar Neymar will miss the match against Germany due to a serious injury. William would be a viable option for this position as he is also a very agile player. He runs with the ball at an average speed of 8 meters / sec. His defending opponent Philipp Lahm runs at an average speed of of 9 m / sec without the ball. If during the match, William is able to pass Lahm by 3 meters, how much time will Lahm have to catch up and prevent William to score a goal?
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Netherlands vs Costa Rica
Brainteaser: Netherlands vs Costa Rica
Costa Rica has surprisingly made it to the quarters - they will face the Netherlands, who start as favourites. Before the game starts, a hot dog vendor sells one half of his supply of hot dogs during the first half of the game. During half-time, he sells a total of five hot dogs. During the second half, he sells three eighths of his original supply. He is left with only four hot dogs. How many did he have to start with?
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France vs Germany
Brainteaser: France vs Germany
Quarterfinals. But Simon's mom has told him he needs to take a bucket of water over to their neighbor since she is experiencing problems with her water supply. He doesn't want to waste much time since he wants to watch the game Germany vs. France in the afternoon. From past experience he knows if he uses the small hose it takes 45 minutes to fill the bucket with water. He also knows that the larger hose can do the same in 30 minutes. If he uses both hoses, how long will it take him to fill the bucket?
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Tickets
Brainteaser: Tickets
A Brazilian wife is dying to watch quarter finals with her husband. She asks him how many gold coins he has so that she can buy tickets. The husband answers "Well, if you break down the number into two odd numbers and multiply the difference between both numbers by 32, it will equal the difference between both numbers squared." Can you help the wife find the answer?
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The brazilian kitchen
Brainteaser: The brazilian kitchen
The match-ups for the quarter finals are set. The Brazilian national team is taking it easy on this game free day. After training, Neymar and Hulk decide to help out in the kitchen for lunch. They need to peel 44 potatoes. Neymar starts 4 minutes before Hulk and peels 3 potatoes in one minute. Hulk on the other hand, manages to peel 5 per minute. Both want to know how many the other one peeled?
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Belgium vs USA
Brainteaser: Belgium vs USA
The USA plays against Belgium today. Before the match, the ball boys enters the stadium and form a circle. They are evenly spaced and the 7th child is directly opposite the 18th child. How many ball boys are there altogether?
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Germany vs Algeria
Brainteaser: Germany vs Algeria
It's time for the game. Germany faces Algeria, who start the match as underdogs. The jerseys of the teams are already in the dressing room, which can only be accessed with a code. The employee responsible for the dressing room has forgotten the code. However, he did remember five clues: The fifth number plus the third number equals fourteen. The fourth number is greater than the second number by one. The first number is one less than twice the second number. The second number plus the third number equals ten. The sum of all five numbers is 30. What were the five numbers and in what order?
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Netherlands vs Mexico
Brainteaser: Netherlands vs Mexico
The Mexican Hilario López, also known under the name of Moco, was in his time a famous football player who acted as an attacking midfielder. Moco spent one-fourth of his life as a boy, one-eighth as a youth, and after that one-half as an active player. If Moco spent 10 years as an old man, then how many years did he spend as an active player?
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Brazil vs. Chile
Brainteaser: Brazil vs. Chile
The Brazilian stars are lining up for the weigh-in before the match against Chile. Neymar and David Luiz, playful as ever, jump on the weighing scale together for a combined 139 kg. Hulk joins the fun and tips the scale to 148 kg and 167 kg with Neymar and then David Luiz respectively. What would the combined weight of all three players be?
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Waterproblem in Belo Horizonte
Brainteaser: Waterproblem in Belo Horizonte
What an unexpected turn of events during the World Cup in Brazil. Football greats such as Spain, England and Italy have been eliminated early on in the tournament while smaller nations like Costa Rica and Algeria progressed to the round of 16. There are no matches today but rather a water problem in Belo Horizonte. A large water tank has two inlet pipes (a large one and a small one) and one outlet pipe. It takes 3 hours to fill the tank with the large inlet pipe. On the other hand, it takes 5 hours to fill the tank with the small inlet pipe. The outlet pipe allows the full tank to be emptied in 8 hours. What fraction of the tank (initially empty) will be filled in 0.61 hours if all three pipes are in operation? Give your answer to two decimal places (e.g., 0.25, 0.5, or 0.75)."
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Germany vs USA
Brainteaser: Germany vs USA
You are with friends in Brazil to watch the match between Germany and USA. While going to the stadium, you counted seventeen houses on the right side. The game was a draw. While returning back to your hotel, you counted seventeen houses on the left side. How many houses are there between your hotel and the stadium?
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The smuggler
Brainteaser: The smuggler
Since the beginning of the month, a cyclist is crossing the border between Uruguay and Brazil carrying a bag. Also today when Uruguay plays against Italy. No matter how much custom officials search him, they do not know what he is smuggling. Do you?
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Cameroon vs Brazil
Brainteaser: Cameroon vs Brazil
A boy is walking around in a market in Brasilia and he sees a single man in a booth. He walks up to the man and asks what the booth is for. "Well," says the man, "If I can't write on this slip of paper the result of the game between Cameroon and Brazil, I pay you 20 Reais. If I get it right, you pay me 20 Reais." The boy looks around and agrees. 5 minutes later, the man has gotten 20 Reais from the boy. How?
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Smoothie
Brainteaser: Smoothie
It is a sunny day in Rio de Janeiro and Lucas, an avid football fan, is keen on watching the upcoming match – South Korea against Algeria. Unfortunately he is 52 Reis short for the ticket. He decides to set up a smoothie stand to come up with the money. He sells each smoothie for 2 Reais and three for 4 Reais as promotion. After a few hours he manages to sell enough – 32 smoothies in total. He happily heads toward the stadium. How many smoothies did he sell for 2 Reais?
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Germany vs Ghana
Brainteaser: Germany vs Ghana
4 fathers, 2 grandfathers and 4 sons go to the stadium to watch the match between Germany and Ghana. What is the minimum number of the tickets they need to buy?
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The italian cook
Brainteaser: The italian cook
Luigi Traponi, the italian football national team's cook, was just about to begin preparing the lunch for all the team members on the matchday. He already knew he needed to fill 55 bowls of the same size and capacity with the same amount of food. When he was done, he decided to read the guidelines for lunch, just out of curiosity. The guidelines said: 1. Everybody gets his own bowl of soup. 2. Every two members will get one bowl of spaghetti to share. 3. Every three members will get one bowl of salad to share. 4. All members are required to have their own serving of salad, spaghetti, and soup. After some rapid calculations, Luigi was able to figure out how many team members were going to the lunch before the match against Costa Rica. How many will come to lunch?
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Sao Paulo
Brainteaser: Sao Paulo
After the great match between Uruguay and England in Sao Paulo, which I had seen in the stadium with friends, I traveled home in my old jalopy. The car was old and battered, it had a leak from the petrol tank, and I was stuck in second gear. This meant that I could only travel along at a steady 30 miles per hour and managed a paltry 20 miles per gallon of fuel. At the start of the journey I had placed exactly 10 gallons of fuel into the tank. I knew though, that the fuel tank lost fuel at the rate of half a gallon per hour. How far was it from Salvador to my home?
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Iniesta's age
Brainteaser: Iniesta's age
Before the match against Chile, a journalist interviewed Andrés Iniesta and asked, how old he was. Iniesta replied: "In 14 years I will be twice as old as I was 8 years ago." How old is he?
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Brazil vs Mexico
Brainteaser: Brazil vs Mexico
Today, I rode my new bicycle to watch the match between Brazil and Mexico with friends in the beer garden. It was a great match! On reaching the park, I saw that there were a total of 12 bicycles and tricycles. If the total number of wheels was 28, how many tricycles were there?
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Goalkeeper gloves
Brainteaser: Goalkeeper gloves
Manuel Neuer, the german national goalkeeper, wants to pick his goalkeeper gloves for the game against Portugal. He has 8 black gloves and 6 white gloves in his closet. He blindly picks some gloves from the closet. What is the minimum number of gloves Manuel Neuer will have to pick to be certain to find a pair of gloves of the same color?
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Arena Amazônia
Brainteaser: Arena Amazônia
After the match between Ivory Coast and Japan, the thirsty 3 players from Ivory Coast (Drogba, Yaha Toure and Gervinho) received a 24l jar full of water. Since there is shortage of water in the area, they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13l, a 5l and an 11l jar. How do they do it?
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1 6 10 13 14 15
1 6 10 12 13 14 15

Questions

Frequently Asked Questions
We are happy to answer the most frequently asked questions.

Brain teasers in the form of math problems and logic puzzles can still appear in interviews, but they are quite rare. More common now are market sizing guesstimates, such as “How many tennis balls can fit into a smart car?” These questions may also be referred to as brain teasers. In general, brain teasers test your creativity and ability to think outside the box.

Brain teasers are uncommon in interviews, and there is no specific rule regarding when an interviewer may choose to use one. However, they are more typical in final rounds and can be asked either before or after the main case discussion.

Market sizing guesstimates are often referred to as brain teasers as well. They are more common in interviews and consist of questions that ask you to determine a specific quantity, such as “How many golf balls can you fit into a passenger Boeing 747?” These questions test your ability to define a problem, break it down into assumptions, and use math to solve it.

Always prioritize case studies and the personal fit portion in your interview preparation, as these are the crucial aspects of your interview! Once you feel more comfortable with those, you can integrate some brain teaser practice into your preparation. This may give you the advantage you need to stand out among other candidates! You can use our brain teaser library to challenge your creative thinking. Have fun!

Brain Teaser – Challenge Your Logical and Numerical Thinking

A brain teaser is a riddle or puzzle designed to challenge your logical thinking. In interviews, interviewers may use them to gain insights into your logical and creative thinking skills, which are valuable in various careers. The most important aspect here is not just the answer but how you approach the problem. Practice our brain teasers to prepare yourself for any interview situation!

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