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Number Puzzle #9

(2 votes, average: 1.50 out of 5)

January 20, 2013 by puzzler 1 Comment

 

       50 20           40         90 30           10          ?

50
20 40
90
30 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.

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Comments

  1. gen says

    May 24, 2015 at 11:02 pm

    30

    Reply

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