2 : 4 : 8 : 10 : 20 : 40 : : 3 : 6 : 9 : ?

🎲 Try a Random Question  |  Total Questions in Quiz: 949  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
Analogy — practice the complete quiz, review flashcards, or try a random question.


2 : 4 : 8 : 10 : 20 : 40 : : 3 : 6 : 9 : ?