Library / UKMT Intermediate Mathematical Challenge /188 of 267

UKMT Intermediate Mathematical Challenge, 2025

Algebra Difficulty 2.0 Junior Find the answer United Kingdom

What is the value of $\sqrt{2025^2 - 2024 - 2025}$ ?

(A) $2022$ (B) $2023$ (C) $2024$ (D) $2025$ (E) $2026$

We don't reproduce this publisher's solutions. Their own solution is here — work the problem first.

Want a route through all this instead of an archive? The track puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.

Source: UK Mathematics Trust, licensed © UK Mathematics Trust; past papers published free at ukmt.org.uk. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.