If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

If your uncle’s sister is not your aunt, what relation is she to you?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

A journalist was investigating a sacred cult in the jungles of Africa when he was caught by one of the person. He was confined in a cave till the leader arrived. The leader told him that he need to tell him a statement. If he thinks the statement is true, then the journalist head will be chopped off. If he thinks that the statement is false, his head will be smashed with a hammer.

What statement did the journalist make to survive?

Where do you go to learn how to make ice cream?

What is always in front of you but can’t be seen?

Can you count the number of triangles in the picture below?

What's a single-digit number with no value?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Take away the whole and some still remain. What is it?