When my grandfather died, he left his fine collection of coins, not more than 2500 of them, to his children, a different number to each of them, and in decreasing amounts according to their ages. To the eldest of his children, he left one fifth of the coins, while the youngest inherited just one ...

Your mother died from the. You call the police and There is a school bag the is color green and black. There is 3 bully. One with red stuff on his hand One without backpack but his backpack is not same One with a toy knife

I have been blindsolving twisty puzzles since 2013. Blindsolving a Rubik's cube does have an effect on the person's mind. Which mental aspect gets trained more can be used to see if blindsolving does help in other areas of life. https://forum.artofmemory.com/t/what-are-some-specific-cognitive-gai...

With more and more people investing time in perfecting algorithms, we always try to go for crazy stuff like ZBLL, OLLCP, full floating 3-style and so on. These algsets are possible to use in actual solves if a lot of work is put into it. But there are some algsets like 1LLL and UF5 (5-style edges...

You go in a room, the door closes. Some sign says: You must find a forced checkmate on the black king in two moves. The key for the Vigenere is ONLY your moves. In other words, if you played Qc3 followed by Re1 (regardless of black's moves) it would make the key Queencthreerookeone. The chessb...

Some famous artworks are kept in line to be displayed in a museum. 'Mona Lisa' was the first painting to be taken inside the museum hall, but the person who took it in didn't understand which wall it was to be put on, so he hangs the painting on a random wall. People with other paintings entered ...

When driving along long straight roads, this is what you would typically see: Photo by Luke Stackpoole on Unsplash As you're probably aware, the solid lines on the sides of the road are parallel, in reality, or, in the 3D universe. However, if we operate on a photo taken, or in the 2D universe, ...

A shop sells pencils in boxes of 31 and 38. What’s the highest number of pencils a person cannot buy? In general, if the shop is selling pencils in boxes of p and q, then what is the highest number of pencils one cannot buy when 2. p and q are relatively prime 3. p and q are not relatively p...

I am able to understand how the first two alphabets,numbers or special characters are working. However I am not able to reach any further a guided help will be most welcome.

The infinite country of Saddlestania has some very interesting geography: its elevation from the mathematically flat sea level exactly follows the equation $$\mathbf{z=x^2-y^2}.$$ After traveling along the infinitely long, yet perfectly straight coastline, you arrive at Saddle Point, the only pla...

A shop sells pencils only in boxes of fixed size. It cannot sell 100 pencils. It can sell any larger amount of pencils. It has one of each size box on display. question 1: What is the minimum amount of boxes it may have on display? question 2: What is the minimum amount of pencils it may have on ...

A powerful sorcerer has hired Rickey Rat as an intern. The wizard gives Rick the task of carrying water from a well to the garden. The path from the well to the garden is up a staircase with 1000 steps. The wizard gives Rickey a one-litre bucket and tells him that the bucket was an old one he exp...