A conundrum is a problem or dilemma that has no solution. For the full explanation of the word in the American Heritage Dictionary of the English Language, see the Related Link.
What is Fulcrum's conundrum?
The hardest math problem ever Also, according to True Jackson V.P, the answer is 16. I paused the screen showing the problem, and x=16
Conundrum: a riddle whose answer is or involves a pun; it may also be a paradox or difficult problem
panjandrum: a person who claims to have authority