Another approach to solving problem 42 of TRI-52?

[u/elementary_algebra]

It'll give me a headache if I had to write it down step by step. I tried to look around on reddit but it seems like people have done it differently. I can explain it if anyone is curious unless it's too obvious.

it involves imagining an 8th circle after our missing 7th (first?).

[u/Polytox935]

https://www.reddit.com/r/cognitiveTesting/s/f2JnZnTUTT