Math Puzzle - Find the Missing Number, If You Can - Full Solution Included

This is another great #MathPuzzle that I'm sharing. Find the missing #Quadrant with the ?, when the other quadrants equal 4, 16 and 64. Watch the video for all the details. Both the puzzle and the solution are included in this video (provided by #HowToSolvePuzzles ). This is a great puzzle as there is more than one correct answer!

[berkkarsi]

Glad you're still uplading mate. Keep it up.