AQuA-RAT train #25912 · Number Theory · Digits
The set X consists of the following terms: {4,44,444,4444,.....}, where the nth…
The set X consists of the following terms: {4,44,444,4444,.....}, where the nth term has n 4's in it for example 10th term is 4444444444. What is the hundreds digit of the sum of the first 65 terms of set X?
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #25912
Stuck? A gentle nudge
No hints for this one.
Your answer
Checked against the answer in AQuA-RAT.