The problem asks us to determine the number of boxes between boxes O and K based on a set of clues about their vertical arrangement.
Let's denote the positions from bottom to top as 1, 2, 3, 4, 5, 6, 7. We will use the clues to determine the position of each box:
We need to find the number of boxes between O and K.
Consider the following information regarding a 3-digit PIN.
The correct PIN is