182k views
1 vote
Which number comes next in this series: 2, 3, 4, 8, 9, 10, 20, 21, 22,?

1 Answer

6 votes
44

The pattern is +1,+1,x2
User Irfanuddin
by
8.0k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.