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

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?

Bopanna was working on a murder case when he received a message about the location of the murder weapon.
The message was encrypted as below.

"deb mitciv eht edisni neddih si nopaew redrum ehT"

Tell me the location of the murder weapon.

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

I have eight fingers and two thumbs but I do not live. What Am I?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

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

What Adam and Eve do not have but the rest of the people have?

Readers with high attention to detail can spot the cheater in the exam hall in 5 seconds. Are you one of them? Test your visual skills now!

Can you place six X (crosses) in below board without making three in a row in any way ?