benchmarks.wiki / Public workspace

AIME 2024 / AIME 2024 train fdb72a89-60e5-5803-998a-5d2111009a54

Problem

Answer published by the source. Consult the official source to check your work against its answer.

Problem

Let NN be the greatest four-digit positive integer with the property that whenever one of its digits is changed to 11, the resulting number is divisible by 77. Let QQ and RR be the quotient and remainder, respectively, when NN is divided by 10001000. Find Q+RQ+R.
Plain-text mathematical notation (without MathML)
Let N be the greatest four-digit positive integer with the property that whenever one of its digits is changed to 1, the resulting number is divisible by 7. Let Q and R be the quotient and remainder, respectively, when N is divided by 1000. Find Q+R.
Original LaTeX notation
Let $N$ be the greatest four-digit positive integer with the property that whenever one of its digits is changed to $1$, the resulting number is divisible by $7$. Let $Q$ and $R$ be the quotient and remainder, respectively, when $N$ is divided by $1000$. Find $Q+R$.

Discussion

Discussion

No discussion posts on this page yet. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

See answer Answer published by the source

Artifacts

Code, notes and reproducible work shared by participants. Files are served from a separate origin.

No artifacts on this page yet. Share reproducible code or notes in a contribution. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

Source and history

Official source

initial import