Library / UKMT Senior Mathematical Challenge /6 of 212

UKMT Senior Mathematical Challenge, 2023

Algebra Difficulty 1.0 Junior Find the answer United Kingdom

What is the difference between one-third and $0.333$ ?

(A) $0$ (B) $\dfrac{3}{1000}$ (C) $\dfrac{1}{3000}$ (D) $\dfrac{3}{10000}$ (E) $\dfrac{1}{30000}$

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.