Missing Number

What is the Missing Number?

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March 11th, 2014 | Category: Brain Riddle, Mathematical |  Email This Riddle

3 guesses to Missing Number

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• anant

  March 12, 2014 at 10:02 AM

  30

• Ties Kuijpers

  March 17, 2014 at 2:44 PM

  40

  40+10+….40=90
  20+30+….40=90
  50+………..40=90

• Dude

  March 17, 2014 at 7:08 PM

  30 is correct Anant.

  sum of corner of triangle.

  You are today’s winner.