Are you a Roald Dahl fan?  Test your knowledge with our Splendiferous quiz ... on 'Langwitch'.

1. Name three languages Roald Dahl spoke.

2. What do you have to do to words to make tortoises understand?

3. When the Grand High Witch speaks, which two letters does she switch?

4. What does the Vicar of Nibbleswick ask his parishioners not to do in front of the church?

5. What is the name of the language the BFG speaks?

6. What are ‘Trogglehumpers’?

7. What language do the Oompa-Loompas speak?

8. What kind of poem does Matilda compose about Miss Honey?

9. What country’s accent and pronunciation leads Roy’s auntie to be eaten in ‘The Ant Eater’?

10. At which ancient language was Roald Dahl ‘weak’ at school?’

For more plexicated questions, email schools@roalddahlmuseum.org.