You need to arrange three 7 and mathematical symbols to form number 1?
Which tank will fill first?
What is common among 11, 69, and 88?
I don't get anymore wetter, no matter how much rain falls on me.
What is both possible and impossible at the same time?
Can you decipher the two rows to find the hidden word?
Twice ten are six of us, Six are but three of us, Nine are but four of us; What can we possibly be? Would you know more of us? Twelve are but six of us, Five are but four, do you see? What are we?
Can you count the number of blocks in the picture below?
Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal? Note: 9 cannot be turned over to make it 6.
Can you count the number of triangles inside a triangle?
It begins where the time ends. Its second is an expression of surprise. Its third is a question. Its fourth is urinate. It ends with a drink. Which country it is?
Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.