Answer: 7 + 7 / 7 + 7

Did you get it right?

This no-calculator puzzle tests whether you remember to divide before adding.

Answer: 7 + 7 / 7 + 7

The Answer

The correct answer is: 15.

Here is why

  1. Division comes before addition.
  2. 7 / 7 equals 1.
  3. Then 7 + 1 + 7 equals 15.

Why people miss it

The common mistake is adding all the 7s first instead of doing the division first.

What answer did you get before checking?