Please Do Not Use a Calculator: Puzzle Answer

Did you get it right?

This arithmetic puzzle asks: 35 + 35 – 15 x 0 + 6 + 6 = ? The trick is remembering what happens when a number is multiplied by zero.

Please Do Not Use a Calculator: Puzzle Answer

The Answer

The correct answer is: 82.

Here is why

  1. 15 x 0 = 0
  2. 35 + 35 + 6 + 6 = 82

Why people miss it

Many people subtract 15 before applying multiplication. But 15 x 0 becomes zero first.

What answer did you get before checking?