I feel that Korean is a good language to learn, though the reason to learn it may not be due to the K-pop and dramas. Korean has other values, and also has many interesting aspects, but some of those extra things may not be the only reason to learn it.
Overall, if you have the time it's a cool language to learn.
Arachne is a weaver that boasts she is the best weaver in the universe and that no one can match her skills. This comes back to bite her later when she is put in a cloth making competition with Athena. Arachne, of course, loses and is turned into a spider.
Arachne's characterization foreshadows her fate by her being boastful.
The sum of all numbers is 50. Let's say there have been 50 events, for which property A, B or C holds.
In the center of A, B and C, there is the number 8, which would mean that for 8 out of 50 events, all three properties hold.
The chance of this happening is 8/50 = 4/25 = 0.16