Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

How can one talk without saying a single word?

What has 88 keys?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?