What three numbers, none of which is zero, give the same result whether they’re added or multiplied?
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
What is next number in the pattern below: 131 517 192 123 ?
What's a single-digit number with no value?
We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?
Replace the question mark with the correct number in below Picture:
In a mathematical quiz, you are asked the following question: Use three 9s in a mathematical expression without dividing or multiplying to form the number one. Can you answer the question?
Can you write down eight eights so that they add up to one thousand?
If one and a half boys, eat one and a half burgers in one and a half hours. How many burgers can 9 boys eat in 3 hours?
Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?
At a Society election for president, precisely 963 votes were cast. There is a total of 4 candidates that participate in the election. The winning candidate exceeds the opponents by 53, 79 and 105 votes. How many votes do each candidate gets?
In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki
