Query regarding Q.5 of Timed Quant Practice - Medium Section 1 (Sep. 24,2024)

Can someone please help me understand the solution better? I found the solution shown in the video to be difficult to understand. Thanks in advance.

Share your approach first.

First I found the answer to be 8/20. I made a mistake then. As each slice’s size is different, I added the two fractions separately and found the answer to be 19/24. But I am not getting why it is 19/48. Even the chat GPT says 19/24 as the answer.

Hint: “both”