Here is the answer to the puzzle from the reel, with the working explained below.

Question 1

Where is 7213 in the grid?

Correct answer: row 8, column 3

Count rows from the top and columns from the left, starting at 1. The number 7213 appears once, at row 8, column 3. The highlighted cell below shows its exact position.

The marked solution

9213721876131213
7263721172167823
7413621372457443
8813721072037243
7215701373137313
7243720372187413
7212681350132213
7263721872133213
7913711372733216
5213721522137233