Can you name some countries which do not have the alphabet 'A' in them?
The square root of number 121 is "11". What is the square root of the number "12345678987654321."?
John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask. What is John Situation ?
What Adam and Eve do not have but the rest of the people have?
How many times can you subtract the number 5 from 25?
John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?
What kind of band never plays music?
What is the fastest way to double your money?
Every words stands for unique digit that makes the arithmetic equation true SEVEN + SEVEN + SIX = TWENTY. What are the digits ?
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
Our product and our sum always give the same answer. Who are we?
In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.