The square root of number 121 is "11". What is the square root of the number "12345678987654321."?
How can I get the answer 24 by only using the numbers 8,8,3,3? You can use the main signs add, subtract multiply and divide.
There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number. What is the smallest number that stands true on the statement?
Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat. How?
How many pluses should we put between the digits of 987654321 to get a total of 99, and where?
What is the riddle which can be asked all day with a different correct answer each time.
There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units. Can you calculate the dimensions of this box with the given data?
With the help clues provided in the image, can you find the 5 digit key?
You are in a land where thirty men and two women were dressed in classic black and white dresses. They begin to fight as soon as any of them move. Where are you?
What is in seasons, seconds, centuries and minutes but not in decades, years or days?
why number 8549176320 is one of a kind?
Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.
