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.

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

What goes up but never comes down?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

I shave every day, but my beard stays the same. What am I?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

Replace the question mark in the picture below.

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?