![50 20 40 90 30 10 ?](https://i1.wp.com/puzzlersworld.com/wp/wp-content/uploads/2013/01/number-puzzle-9.png?resize=405%2C384&ssl=1)
50
20 40
90
30 10
?
Answer with Explanation
Answer is 30.
How?
Sum of the numbers on vertices of a triangle should be 90, i.e. 20 + 40 + ? = 90 => ? = 30.
Facebook Comments
50
20 40
90
30 10
?
Answer is 30.
How?
Sum of the numbers on vertices of a triangle should be 90, i.e. 20 + 40 + ? = 90 => ? = 30.
30