228k views
5 votes
Starting with one, every consecutive line has a number that is one more then twice the previous line, how many marbles must be in the sixth line?

User MJegorovas
by
8.8k points

1 Answer

4 votes
63 marbles

1
1 X 2 +1 = 3

3 × 2 + 1 = 7

15 × 2 + 1 = 31

31 ×2 + 1 = 63
User Oli Wennell
by
8.1k points

No related questions found

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

9.4m questions

12.2m answers

Categories