Using any calculation in BEDMAS use the numbers 8645 = 9 Numbers can only be repeated once.

Louis Thépault offers this puzzle in his book Le chat à six pattes et autres casse-tête : 100 petits problèmes de mathématiques très amusants. Four men, former classmates, met in a restaurant, each accompanied by his wife. Here’s what we know about these eight people: Alexandre and his wife were...

Previous Level: Nurikolor (Level 7) It's been 9 days since the last puzzle. We will start Level 8 right now, with new features. There are colored numbers on the grid, which indicate the number of tiles the group of its color holds. There are tiles with 1 color, which indicate the color of the ti...

You are lost in a jungle and suddenly get caught by a tribal group who are cannibals. They keep you captive and however think of offering you a second chance to save your life. Their leader says- "We will give you one chance to say something. It should be a sentence, not a question. It should not...

We already know that 7x7 board cannot have a closed Knight's tour, and it cannot start or end at a white square if R1C1 is black. But our knowledge about 7x7 Knight's tour is still limited. So here is the final piece: Construct exactly three Knight's tours on a 7x7 board, so that their six endpoi...

You are given a piece of paper with no marks on it. With this paper (A4 or A5 size), you have to make a bear's template. You are given no tools such as a ruler or scissors, and all you can do is fold the paper and make an one hole with nail or hole puncher. Can you fold the paper, make one hole,...

Let's do fortnightly topic challenges once again! What to Do: If you have an idea for a tag or a theme of any kind to use as a topic challenge, post it as an answer below. (Do note, you can propose anything, not only a tag). Only one suggestion per answer, please. Here is a list of all tags, to ...

Each of the 5 images at the bottom of this picture represent a single word. And the answer to this puzzle is a six letter word. Try to somehow make sense out of it!

My Great-Uncle Alfred loves sequences and likes to test me with them whenever I visit. The other day, with a flourish, "Voilà!", he presented me a piece of paper with the following sequence, UI, AI, EEI, EUI, EEI, AEI, ? "What comes next?" he asked. "I'm not sure", I replied, "but I would guess...

When I asked my friend who lives overseas where he lives, he gave me a code: MBOD, DONE, ETNA, LAYS, ANMA, PINE, ILAN, PORE, RUNE, ESTE The country where he lives is not included in the code, where he is?

There's this built-in python module, we'll call it mystery. Now, mystery has this function, we'll call it ted. Also, mystery has another function, we'll call it jan. Finally, lets bring Thomas into the equation, your typical python programmer. One day, Thomas goes import mystery print(mystery.te...

The numbers can only be used once You can use any operator from BEDMAS

In the Mensa app the same kind of puzzles keep coming back. I don't see how to solve it. Can anybody help me?