Find The Missing Number - Math Riddle
77.Math Riddles
Can you find the missing number?

-
2
Explanation : The answer will be 2. Look at how many closed areas there are. 9999 has 4 closed areas (the top of the '9'). 8888 has 8 closed areas (the top and bottom parts of 8 and there are no other digits). 1816 has 3 closed areas (top and bottom of 8 and bottom of 6, and it has 2 other digits (3 * 2 = 6)). 1212 has 0 closed areas, (0 * 4 = 0), Therefore, 1919 has 2 closed areas. (the top of the '9').