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

Why do you find that most of the buildings are deprived of the 13th floor?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

What does this rebus riddle mean?

A man is found unconscious in front of a store at two in the morning. His head is bleeding and there’s a brick laying next to him. When the police arrive, they carry the man to jail. Why did they arrest him?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

A police officer was passing by when he saw a guy hiding. He walked up to him and genially asked, "What is your name?"

"Shut up!" the boy responded.

"Where are your manners?" asked the outraged police officer.

"Up that tree," said the boy discourteously, directing to a neighbouring tree.

You're looking for trouble, aren't you?" said the police officer.

"No, trouble is looking for me!" the boy answered solemnly.

Why is the boy behaving like this?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?