It really depends on who you're asking....
I assume you mean "whole world" rather than "hole world". There is no "hardest math question" because one's field of knowledge may be different to another. Therefore, the hardest question for one person may be an easy one for others.
AP CALCULAS AP CALCULUS* is not the hardest math. Analysis, Set theory, Algebra, Topology, Calculus and Number Theory
HL math
If you are talking about coolmath.com then the hardest game is called the world's hardest game and it is about trying to take a red ball across to the other side without getting hit by the blue balls and collecting the yellow ones!
Pre-Calculus
The Collatz conjecture
what is the percentage of the gods existence in this world ? its 23846.63542
Anyone can if they work hard at it.
No. Some of the world's hardest maths problems have remained unsolved for centuries.
math
I assume you mean "whole world" rather than "hole world". There is no "hardest math question" because one's field of knowledge may be different to another. Therefore, the hardest question for one person may be an easy one for others.
Prove that 2 <> 2. Show your working.
no it is not hard
How much wood could a woodchuck chuck if a woodchuck could chuck wood?
n+1=n solve for n.
AP CALCULAS AP CALCULUS* is not the hardest math. Analysis, Set theory, Algebra, Topology, Calculus and Number Theory
HL math