Add ’em Up

If:

2 + 3 = 10

7 + 2 = 63

6 + 5 = 66

8 + 4 = 96

Then:

9 + 7 = ????

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June 8th, 2010 | Category: Brain Riddle, Mathematical |  Email This Riddle

2 guesses to Add ’em Up

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• Geoff

  June 8, 2010 at 11:40 AM

  (9+7)x9=144

• Dude

  June 8, 2010 at 3:02 PM

  You’re right, Geoff!

  The trick is this:

  Add up the original equation, then multiply it by the first addend to get the product.

  So your answer of: 9+7 (= 16) X 9 (first addend) = 144

  Great job! You’re today’s winner.