>>12255708If it's 0%, it's 25% because 1 of the 4 answers is 0%, so you would pick 0% (correctly) 1/4 of the time.
If it's 25%, it's 50% because 2 answers are 25%.
If it's 50%, it's 25% because 1 answer is 50%.
If it's literally anything else, it's 0% because no other answers are there.
Every case leads to a contradiction, so there is no solution.