Maths Olympiad Prep

Library / /80 of 175

, 2017

Algebra Difficulty 1.0 Junior Find the answer United Kingdom

What is the value of 201×77×102201 \times 7 - 7 \times 102?

(A) 142800142\,800 (B) 793793 (C) 693693 (D) 607607 (E) 00

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.