Always in you, Sometimes on you; If I surround you, I can kill you. What am I?
The square root of number 121 is "11". What is the square root of the number "12345678987654321."?
The measurement of time, That can't be found on a clock, But can be looked upon on a map. Who is He ?
What has many teeth, but cannot bite?
One is to three as three is to five and five is to four and four is the magic number. What is the pattern?
Can you find the company name in the pictogram below?
A network of 20 x 10 squares is given to you. Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?
What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?
I have four wings but can't fly. I express no emotions. I am found on the exact spot every time you look. I keep toiling away with a little sound. Do you know what am I?
Can you count the number of children in the picture below
A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it. How can he do that?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.
