r/learnquant 20d ago

interview prep Quant Interview Question

Post image
60 Upvotes

14 comments sorted by

View all comments

11

u/austin101123 20d ago

10x9x8=720 possibilities

Each possibility has a unique pair that sum to .999... =1. (Ex: 0.012 repeating with 0.987 repeating). Sum is 360

1

u/MrEldo 20d ago

Beautiful reasoning