Multiple choice general knowledge math & puzzles

x% of y is y% of ?

  1. x/y

  2. 2y

  3. x

  4. a complex value

  5. cant be determined

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

x% of y is (x/100)*y. y% of x is (y/100)*x. Since multiplication is commutative, (x*y)/100 = (y*x)/100. Thus, the missing value is x.