Brain Teasers
Sequence
Deduce the next number in this sequence:
6, 10, 15, 16, 23, ...
6, 10, 15, 16, 23, ...
Hint
Try thinking with prime numbers.Answer
24In this sequence, every natural number is added to the next two prime numbers greater than itself.
1+(2+3)... 2+(3+5)...3+(5+7)...4+(5+7)...5+(7+11)....... 6+(7+11)
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
Grr.
That was a tricky one.
Nice one, need to stretch my brain a bit.
Note to self: Don't try and figure out hard teasers when you haven't had enough sleep
To post a comment, please create an account and sign in.
Follow Braingle!