GK 2018 Q2
2. 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
M
A
M
A
A
M
A
Grey Kangaroo 2018, Question 2. © UK Mathematics Trust. Original paper on ukmt.org.uk
Answer: E TOOT
When the letters in each word are examined in turn, it can be seen that the letters R, B and L do not have a vertical line of symmetry while the letters M, O and T do. Hence the only word whose letters all have a vertical line of symmetry is TOOT.
Solution © UK Mathematics Trust, from the GK 2018 solutions.