The sum of the digits of the number added to 9 is always equal to the sum of the digits of the result. What is the sum of 9 digits? Number Repeating Cycle...
You can move the Hud stats by holding the Control key (Command on Mac) and dragging, or you can unlock the Hud using the PT-icon menu. Either way, be sure...
Your drawings are good if you like them, and good enough if you accept them as they are. When you say “I don’t like my art because others don’t like it”, ...
Is spacetime real, or is it a mathematical construct? Short answer: Yes to both. Spacetime is, from a mathematical viewpoint, a manifold, which is a set o...
When a polynomial is multiplied by itself, then it is a perfect square. Example – polynomial ax2 + bx + c is a perfect square if b2 = 4ac. How do you dete...
3674160 combinationsThe 2x2x2 Rubik’s cube (called the Pocket Cube) has 3674160 combinations. This is a manageable number. If you fiddle with the 2x2x2 cu...
There are 195 nations officially recognized as independent countries in the world, each with its own capital city. What is the capital of 29 states? 29 St...
Knights Hospitaller, distinguished by their black mantles. Zawisza the Black of Garbów also known as “the Black Knight” or “First knight of Europe”, was a...
Word riddles are a fun source of comprehensible input and vocabulary building. The riddles in this section are all homophone riddles. Homophones are word ...
In a poker hand of “two pair”, the kicker is the lone remaining card that is not part of the two pair. Poker hands which require all five cards to “make t...