Maths Olympiad Prep

Library / /91 of 121

, 2020

Combinatorics Difficulty 3.0 AMC 10/12 Find the answer United Kingdom

A large cube is built using 6464 smaller identical cubes. Three of the faces of the large cube are painted. What is the maximum possible number of small cubes that can have exactly one face painted?

(A) 2727 (B) 2828 (C) 3232 (D) 3434 (E) 4040

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.