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.
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Number Puzzle #9
(2 votes, average: 1.50 out of 5) (2 votes, average: 1.50 out of 5)
30