Count the number of lines in the image below ?
How many times can you subtract the number two from the number fifty?
Can you find the key in the picture below?
Can you write down eight eights so that they add up to one thousand?
A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result. Can you find how bias is the floor in this case?
Can you count the number of lines in the below picture?
I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?
Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.
What word is identified by the below rebus? Your Your Your Your Your Your Your Your Your Your
A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?
In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.
