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

Question 1

Where is 5910 in the grid?

Correct answer: row 9, column 2

Count rows from the top and columns from the left, starting at 1. The number 5910 appears once, at row 9, column 2. The highlighted cell below shows its exact position.

The marked solution

59128910551058105912
59125948596757191910
59003710593051105110
29176910991053105914
59305315591955105410
29103910891059605960
88105984591527105510
29106910591559606990
39105910593053105810
59601970587058105918