Can You Solve Google's 100 Light Bulbs Interview Question?

Google and tech companies have asked this famous puzzle in interviews. Can you figure it out? Geeks for geeks (100 doors ...

Interesting question: for which values of n can you find an integer solution?

This was considered an easy problem. official solutions ...

Internet spots big mistake on Kellogg's cereal box

Kellogg's has a new line of glazed donut holes cereals, claiming donut holes are superior to regular donut shapes to have more ...

Brain training: 7 puzzles to challenge your mind!

If it takes 7 seconds for 7 ticks, how many seconds will 10 ticks take? The answer is not 10. How many of these puzzles can you ...

Internet divided over simple math question

Many get this wrong. Can you solve it? Mirror https://www.mirror.co.uk/news/weird-news/only-maths-genius-can-solve-34253875 ...

Can you solve this tricky test question?

Can you solve it? Richard drives from his home to work at an average speed of 50 miles per hour. Later he drives from his work to ...

A cool trick to factor that 99% of people don't know

This is a nice little trick to factor and solve quadratics that have a leading coefficient larger than 1. Most students in America are not ...

7 puzzles that will test your mental skills

How many can you solve? ➡️10:12 skip to 4 pills puzzle all 7 = genius 4 to 6 = great 0 to 3 = subscribe and try again ;) 0:00 ...

Can You Solve These Challenging Logical Puzzles?

Which way is the bus going? Skip ➡️19:07. How many of these 7 puzzles can you solve? 0:00 puzzle 1 2:15 puzzle 2 5:33 ...

Funny math problem 😂

People on Reddit were amused by this math problem. Reddit ...

7 Mind Blowing Logical Puzzles

How many can you solve? 0:00 puzzle 1 2:00 puzzle 2 5:46 puzzle 3 8:19 puzzle 4 10:54 puzzle 5 14:19 puzzle 6 18:58 puzzle 7 ...

Viral bottle challenge - let's do the math

Is it better to collect the bottles closest to the box, farthest from the box, or is the strategy irrelevant to the amount of distance ...

Why is negative times negative a positive? What you didn't learn in school

Most of us just memorized this rule. But why is it actually true? And who discovered it? 0:00 intro 1:20 pattern 4:34 scaling 6:32 ...

Can you solve these 7 baffling puzzles?

How many can you solve? 0:00 Puzzle 1 2:55 Puzzle 2 6:40 Puzzle 3 10:35 Puzzle 4 12:43 Puzzle 5 14:19 Puzzle 6 16:44 Puzzle ...

The mystery of pi and 355/113

Who discovered this mysteriously accurate value for π ? Celebrate #PiDay with the untold story of 355/113 and learn a history of ...

7 tricky puzzles that "only" a genius can solve!

How many can you figure out? 0:00 puzzle 1 2:31 puzzle 2 4:44 puzzle 3 6:44 puzzle 4 8:13 puzzle 5 9:40 puzzle 6 12:21 puzzle ...

What is the square root of the square of minus 9?

Don't overthink it. 0:00 question 1:21 answer 3:14 functions 6:47 exception 8:22 quadratic poll ...

Most US college students cannot solve this

This seems impossible to solve at first, but it can be solved logically. Get early access to videos by supporting the channel ...

Can You Solve Apple's Mislabeled Boxes Puzzle?

Three boxes are completely mislabeled, and you need to fix the labels. Apple has asked this logic puzzle as an interview question ...

7 simple puzzles that will blow your mind

How many can you solve? 0:00 puzzle 1 1:40 puzzle 2 3:14 puzzle 3 4:58 puzzle 4 6:08 puzzle 5 7:34 puzzle 6 9:07 puzzle 7 ...

"Scary" homework problem is impossibly hard

People are saying this problem is impossible, and they are correct. 0:00 problem 1:45 brute force 3:17 proof Reddit AskMath ...

2 nice inscribed circle problems

0:00 intro 0:45 review 2:16 problem 1 5:06 problem 2 Problem 1 ...

An Impossible Test Question

Thanks to Daneesha for the suggestion! This question from Sri Lanka's 2021 G.C.E A/L Combined Maths exam paper had an error ...

Always remember your times tables with these secret tricks

Your fingers are secretly a powerful calculator. 0:00 intro 0:23 multiply 6 to 9 7:18 why works 6 to 9 11:52 multiply 11 to 15 15:40 ...

Insanely HARD entrance exam from 1926

The original 1926 exam was insanely difficult compared to today's test. This video shares a sampling of questions. ➡️thumbnail ...

Can you solve for the mystery number?

This problem is from a competition for 15 to 16 year old students in France. Math StackExchange another method ...

5 Impossible Age Riddles

How many can you solve? 0:00 puzzle 1 2:04 puzzle 2 3:29 puzzle 3 6:20 puzzle 4 10:53 puzzle 5 Puzzle 1: day before yesterday ...

Math homework has kid in tears and both parents stumped. How to solve it?

Parents were baffled by this question. Reddit ...

Solve this to get the #Job. You have 3 seconds

A CEO asks this question during interviews. What is the correct answer? Reddit ...

What is the area shaded in blue? You should be able to solve this

A viral problem is making the rounds again. A similar problem was asked in Turkey's university entrance exam. 0:00 intro 2:04 ...

Can you solve the frog, sheep, horse puzzle?

This simple problem has people stumped. Express https://www.express.co.uk/news/weird/1939816/maths-question-hard-viral ...

Can you solve Microsoft's bridge and torch riddle?

Tech companies like Microsoft have asked this puzzle as an interview question. 0:00 puzzles 1:58 puzzle 1 3:22 puzzle 2 5:15 ...

Nice number, mathematically

Ancient trick to calculate ANY square root

An ancient formula is astoundingly accurate. Why didn't we learn this in school? 0:00 history 2:32 calculations 7:22 sqrt 2 10:19 ...

Solving a 'Harvard' University entrance exam

How can we solve this? Higher Mathematics https://www.youtube.com/watch?v=Nq800Cx0Mcg Prime Newtons ...

Controversial math problem. Why was 5x3 = 15 marked wrong?

The internet went crazy over this problem...but there is more to the story than the media reported. References ...

A killer question from Japan. Is tan 1° a rational number?

Is tan 1° a rational number? Justify your answer with proof. 0:00 problem 0:44 rational 5:55 solution Square root of prime is ...

Solve for the magic angle

This is a fun little problem. @Cshearer41 https://x.com/Cshearer41/status/1029760468406157313 Mathematrac post (an alternate ...

An 'impossible' homework question has baffled many parents

This seemingly impossible problem has stumped many students and parents. What is the answer? AskMath ...

Viral Clock Calculator Light Bulb Puzzle - The Correct Answer Explained

Thanks to Milind for sending me this fun puzzle, and thanks to Vishwas for the solution! I thought the answer was 333, and two ...

Seemingly Impossible Walking To College Riddle

This is a fun riddle I saw online. Can you figure it out?

What is the radius? Gothic window puzzle

Can you solve this nice geometry problem? Special thanks this month to: Lee Redden, Mike Robertson, Daniel Lewis, Kyle.

Can You Solve The Impossible Age And House Number Puzzle?

Thanks to Filippo for the suggestion! This problem is from the 2016 International Championship of Mathematical Games. Problem ...

2 students did the impossible. Then Charles Barkley donated $1 million

Two high school students just changed mathematical history forever. Congratulations to Ne'Kiya Jackson and Calcea Johnson.

Internet is going wild over this problem

When you put the right answer but the teacher marks it wrong. Reddit ...

Programmer joke

This is how to trick a wish-granting genie with math. Reddit joke ...

How to solve Google's clock hands interview riddle

This is a simple interview riddle that has been asked at tech companies like Amazon, Microsoft, and Google and even at ...

A nice geometry problem - find the shaded area

Thanks to Sanjeev for the suggestion! A right triangle has a semicircle along its shorter leg. What is the area bounded between the ...