What three numbers, none of which is zero, give the same result whether they’re added or multiplied?
What number divided by 4 is the same as that number minus 4?
If nine thousand, nine hundred nine dollars is written as $9,909, how should twelve thousand, twelve hundred twelve dollars be written?
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?
A number can be multiplied by multiple of nine i.e 9 18 27 36 45 ... and the resulting number consist of only one digit. Can you identify the number ?
I am an odd number. Take away a letter and I become even. What number am I?
We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?
How many triangles are there in the picture below?
Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error? x = 9.999999... 10x = 99.999999... 10x - x = 90 9x = 90 x = 10
Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?
If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following: 21 Q 7 R 9 S 10 P 13
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.
