Maths Olympiad Prep

Library / UKMT Grey Kangaroo /43 of 242

UKMT Grey Kangaroo, 2018

Combinatorics Difficulty 1.0 Junior Find the answer United Kingdom

When the letters of the word MAMA are written vertically above one another the word has a vertical line of symmetry. Which of these words also has a vertical line of symmetry when written in the same way?

(A) ROOT (B) BOOM (C) BOOT (D) LOOT (E) TOOT

Figure for this problem

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.