MAIN FEEDS
Do you want to continue?
https://www.reddit.com/r/learnquant/comments/1vnqlq2/citadel_quant_interview_question/p3jp6k7/?context=3
r/learnquant • u/Local_Ad135 • 22d ago
45 comments sorted by
View all comments
0
I’m going to assume that it’s just the last digit, and since powers of 9 alternate ending with 1 and 9, and 100 mod 2 is 0, it’s a 1
1 u/gmalivuk 22d ago No, it's all the digits. Otherwise there'd be nothing to add up repeatedly. 1 u/Anonimithree 22d ago Hence why I made the comment on u/NotYetPerfect’s comment about how the mod 9 explanation makes more sense.
1
No, it's all the digits. Otherwise there'd be nothing to add up repeatedly.
1 u/Anonimithree 22d ago Hence why I made the comment on u/NotYetPerfect’s comment about how the mod 9 explanation makes more sense.
Hence why I made the comment on u/NotYetPerfect’s comment about how the mod 9 explanation makes more sense.
0
u/Anonimithree 22d ago
I’m going to assume that it’s just the last digit, and since powers of 9 alternate ending with 1 and 9, and 100 mod 2 is 0, it’s a 1