What is both possible and impossible at the same time?
A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?
A word I know, Six letters contain, Subtract just one, And twelve is what remains.
There is a box full of marbles, all but two are blue, all but two are green, and all but two are red. How many marbles are in the box?
In an interview, a boy was asked an unusual question 'How two persons sitting with a table in between them can't see each other?' He was unable to reply. Can you?
Always in you, Sometimes on you; If I surround you, I can kill you. What am I?
Replace the question mark with the correct number.
There is a place where if I stand up straight, I will still be considered sideways.
I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?
Replace the 'X' with any mathematical symbol to make the expression equal to 111. 18 X 12 X 2 X 3 = 111
Can you count the number of blocks in the picture below?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.
