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

Question 1

Where is 7194 in the grid?

Correct answer: row 1, column 1

Count rows from the top and columns from the left, starting at 1. The number 7194 appears once, at row 1, column 1. The highlighted cell below shows its exact position.

The marked solution

7194719771347181
7198715479947116
8294319871924194
7195729474947108
6194714471347594
2194519471847591
1194759451947154
3114789473997494
7192119471046194
2194519471347134