Mathematician:
How do u write 4 in between 5?
China: Is this a Joke?
Japan: Impossible!
America: The question's wrong.
UK: Not found on Internet.
Nigerian: = F(IV)E
Qn 2:
Show that 19 - 1 = 20.
Chinese: Am I a magician?
American: You must be daydreaming.
Japanese: There's no commonsense in this?
Nigerian: Simple! Simply write 19 in Roman Numerals and remove I to get 20. That is, XIX - I = XX = 20
Proud to be a Nigerian. We no dey Carry last o!