Mystery Equation

Find the mathematical operations labeled A,B,C,D,E,F,G,H so that the following equation comes true:

(each letter represents a mathematical operation, such as +, -, x or /)

1 A 2 B 3 C 4 D 5 E 6 F 7 G 8 H 9 = 100

Do not change the sequence of the numbers.

Share:

• Click to email a link to a friend (Opens in new window)
• Click to print (Opens in new window)
• Click to share on Facebook (Opens in new window)
• Click to share on LinkedIn (Opens in new window)
• Click to share on Reddit (Opens in new window)
• Click to share on Twitter (Opens in new window)
• Click to share on Tumblr (Opens in new window)
• Click to share on Pinterest (Opens in new window)

September 30th, 2010 | Category: Brain Riddle, Mathematical |  Email This Riddle

5 guesses to Mystery Equation

Warning: Use of undefined constant bfa_comments - assumed 'bfa_comments' (this will throw an Error in a future version of PHP) in /home/customer/www/riddledude.com/public_html/wp-content/themes/atahualpa/comments.php on line 132

• Roolstar

  September 30, 2010 at 11:36 AM

  (1×2+3×4)x5+6+7+8+9 = 100

  not sure if the () are allowed

  otherwise

  1x2x3x4x5+6-7-8+9 = 100

• Dude

  September 30, 2010 at 1:47 PM

  Nope. Keep trying.

• Enzolol_02

  October 22, 2017 at 9:43 AM

  I think it is 1-2×3+4×5+6+7+8×9

• Enzolol_02

  October 22, 2017 at 9:45 AM

  either that or 1+2×3+4×5-6+7+8+9

• Dude

  October 22, 2017 at 10:26 AM

  Enzolol_02 you are the winner!. Amazing! This riddle has been around since 2010 and unsolved.
  1-2×3+4×5+6+7+8×9