Number Puzzle #9 (3 votes, average: 1.33 out of 5)January 20, 2013 by puzzler 1 Comment 5020 409030 10? See AnswerHide Answer 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. Share on Whatsapp Share on Facebook Share on Twitter Facebook Comments Next Puzzle Number Puzzle #10
(3 votes, average: 1.33 out of 5) (3 votes, average: 1.33 out of 5) (3 votes, average: 1.33 out of 5) (3 votes, average: 1.33 out of 5)
(3 votes, average: 1.33 out of 5)
30