I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?
Using eight eights and addition only, can you make 1000?
A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log. Can you calculate the weight of the entire wooden log?
How can you spell "White of an egg" in one word? Hint: I know you can spell coke, poke, and joke.
I am an odd number. Take away a letter and I become even. What number am I?
What goes through cities and fields, but never moves?
When can we add 2 to 11 and get 1 as the correct answer?
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?
If you say my name, I will no longer exist. What am I?
What goes up but never comes down?
I came first on earth but second on the heaven. I also came twice in a week but found just once in a year. I stay away from months but you can find me in February. What am I?
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.