## Motorway Problem

July 12, 2019 Leave a comment

How to choose the shortest road that connects several towns. This is a story about local and global minimums. Excellent presentation of soapy films.

Math and Logic Puzzles

July 12, 2019 Leave a comment

How to choose the shortest road that connects several towns. This is a story about local and global minimums. Excellent presentation of soapy films.

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April 28, 2019 Leave a comment

Find a mistake. Think differently!

Find more logic puzzles for all ages in Think Outside the Box collection of puzzles.

December 1, 2018 Leave a comment

New challenges:

What is the easiest way to make it correct? Answer

In what Olympic sport does the winner cross the line facing backwards? Answer

What time is it? Answer

What is the necessary mirror size? Answer

Find all 18 best puzzles at

June 9, 2018 Leave a comment

Everybody has a favorite number. What number is your hero?

April 18, 2018 Leave a comment

Grow your passion by motivating practice like the 11-year-old Math Marvel

“Chess is a mathematical poem” – *Aarushi Maheshwari *

March 9, 2018 Leave a comment

- Notches (cuts or indentation) on animal bones prove that humans have been doing
**mathematics since around 30,000 BC**. - Ancient Greeks used little rocks to represent numbers. The name of
**Calculus**means**pebbles**in Greek. - The
**=**sign (“equals sign”) was invented by**16th Century**Welsh mathematician Robert Recorde, who was fed up with writing “is equal to” in his equations. - The word
**hundred**is derived from the word “hundrath”, which actually means**120**and not 100. **Zero**(0) is the only number which cannot be represented by**Roman numerals**.- Many Chinese hospitals do not have a 4th floor because the words
**four**in Japanese, Cantonese, Mandarin and Korean (shi, sei, si, sa) sound the same as the words in those languages for**death**. **Forty**is the only number with letters in alphabetical order, while**one**is the only one with letters in reverse order.- The number
**5**is pronounced as ‘**Ha**‘ in Thai language. 555 is also used by some as slang for ‘HaHaHa’. **Zero**is an**even**number. Mathematicians remember it. Many people take longer to decide whether it is even or odd.

January 1, 2018 Leave a comment

Aplusclcik team chose 17 Best Puzzles of 2017.

They are:

What country has the lowest birth rate in the World?

If certain words in this question are spelt wrong, how many of the eighteen words are spelt wrong?

A claustrophobic gentleman chooses his place in the train that will enter a tunnel just after the station. Where is the best place for him?

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