Skip to content / Đến nội dung
ThichHocToan.com

2021 AMC 10B Question 13

AMC10 · 2021 AMC 10B

Question 13

Let $n$ be a positive integer and $d$ be a digit such that the value of the numeral $\underline{32d}$ in base $n$ equals $263,$ and the value of the numeral $\underline{324}$ in base $n$ equals the value of the numeral $\underline{11d1}$ in base six. What is $n + d ?$
  1. $ 10 $
  2. $ 11 $
  3. $ 13 $
  4. $ 15 $
  5. $ 16 $