### Brain Teasers

# Can You Figure It?

What are the missing numbers in this series, based on the numbers shown?

9, 6, 7, 21, 5, 2, 2, 6, 11, 4, 8, ?, 3, 1, 5, 10, 6, 2, 12, ?

9, 6, 7, 21, 5, 2, 2, 6, 11, 4, 8, ?, 3, 1, 5, 10, 6, 2, 12, ?

### Hint

Try groups of 4### Answer

56 & 48If you take the numbers in groups of 4, it is (a-b)*c=d in each case.

(9-6)*7=21

(5-2)*2=6

(11-4)*8=56

(3-1)*5=10

(6-2)*12=48

Hide Hint Show Hint Hide Answer Show Answer

## What Next?

View a Similar Brain Teaser...

If you become a registered user you can vote on this brain teaser, keep track of which ones you have seen, and even make your own.

### Solve a Puzzle

Comments hidden to avoid spoilers.

## Follow Braingle!