Why Aeroplane windows are round?

The centre of the third figure is empty. What digit should fit inside?

What number when divided in half becomes zero?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

After a heavy Thanksgiving meal, the night watchman went to work. In the morning, he told his boss he had dreamed that a saboteur planted a bomb in the factory and that he felt it was a warning. The boss promptly fired him. Worker confused, Why boss fire him?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?