You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

What can you serve, but never eat?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Why are all black people so quick ?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

In the four images below, can you find the odd one out?