Brain teasers, puzzles, riddles, and other challenges
In this highly difficult Sam Loyd chess puzzle from 1859, white to play and mate in 2.
Sam Loyd was a widely acclaimed puzzle creator, known for his brilliant chess puzzles, visual puzzles, and math puzzles. Don’t be discouraged if this incredibly difficult puzzle by Sam Loyd has you stumped, the solution is quite challenging.
Continue reading “Difficult Sam Loyd Chess Puzzle”Honkai: Star Rail features a number of interesting logic puzzles in its quests. One side quest has you questioning suspects to determine the detector thief. Similar to some classic “who is lying” logic puzzles that you might have encountered before!
Here is the Honkai Star Rail detector thief puzzle, and how to solve it:
You interrogate the four suspects, and each makes one claim:
In Honkai: Star Rail, one side quest takes you to solve a number of puzzles involving cycranes, including one fun and tricky Dissatisfied Cycrane truth and lie riddle!
Read More“I either can only tell the truth, can only tell lies, or must say a lie after a truth. You can only ask two questions, and then I’ll ask for your answer.”
—Dissatisfied Cycrane
Honkai: Star Rail is the latest mobile game by the creators of Genshin Impact, and shortly into your gameplay, you’ll run into the Ministry of Education quiz as part of your daily quest. Over the course of multiple daily quests, you’ll run into a mix of math and logic puzzles – here are the Honkai Star Rail Ministry of Education quiz answers, with explanations!
Which are there more of: prime numbers, or natural numbers?
- Prime numbers.
- Natural numbers.
- The same.
- What are prime numbers?
The same.
To answer this, you need to apply the principles of set theory, which is usually taught in university level mathematics classes. In short, both prime numbers and natural numbers are infinite (but some infinities can be bigger than others), and infinite in a way that every prime number can be matched to exactly one natural number (1st prime number is matched to 1, 2nd prime number is matched to 2, etc.).
A detective is called upon to solve the riddle of the mystery killer in a high-profile murder.
There are only three suspects:
The victim was holding a calendar, and it seems he marked several of dates before he passed away: the second of January, the sixth of February, the third of April, the fourth of October, and the first of November.
With this information, the detective identified the culprit. Who was it?
View SolutionThese lying thief riddles are fun and tricky logic puzzles that will test your brain. In each puzzle, you interrogate a number of suspects, knowing that some of them are lying, and use that information and your deduction skills to find the true culprit.
There are 3 suspects in a robbery, one of which is the true culprit:
You know that two suspects are lying and one is telling the truth. Who is guilty?
Read More and View SolutionsWhether you’re preparing for an interview or just trying to keep your mind sharp, here are some quant brain teasers to test your skills.
Remember, if you get a brain teaser at an interview, you don’t necessarily need to get the correct final answer to do well, you just need to demonstrate your problem-solving skills, your ability to think and communicate, and your comfort with math, logic, and statistics. For more tips on tackling brain teaser interviews, check out our guide to brain teaser interview questions.
Easy-medium difficulty
What is the minimum and maximum number of Friday the 13ths that can occur in a calendar year?
Read More and View SolutionsIn a certain classroom, 75% of the students can speak English, 55% of the students can speak French, and 10% speak neither language.
What percentage of the students speak both languages?
View Solution
The shaded rectangle is tangent to the circle at the two points indicated, and its bottom right corner lies on the circumference of that circle. What is the area of the rectangle?
Continue reading “Area of the Rectangle”