Brain Teasers
11, 19, 27, 33, 37, 45...
Find the next three numbers in this series:
11, 19, 27, 33, 37, 45, 49, 55, 63, 69, 73, 79, 83, 91, 95, 101, 109, 113, 119, 125, 129, 135, ?, ?, ?
11, 19, 27, 33, 37, 45, 49, 55, 63, 69, 73, 79, 83, 91, 95, 101, 109, 113, 119, 125, 129, 135, ?, ?, ?
Hint
compositeAnswer
139, 143, 149The nth number in the series is the nth odd composite number plus 2n.
EX: 1st number= 9 (1st odd composite number) + 2 (2*1)=11
2nd number= 15 (2nd odd composite number) + 4 (2*2)=19,
and so on.
at the end: 139= 93+46, 143= 95+48, and 149= 99+50.
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
Aaack!
Too tough for me! Had a lot of fun working on it though!
Too tough for me! Had a lot of fun working on it though!
i should have paid more attention in school is there a teaser for dummies catagory somewhere?
i should have paid more attention in school is there a teaser for dummies catagory somewhere?
Wow, i was just doing my own teaser and i couldn't even figure it out. LOL!
To post a comment, please create an account and sign in.
Follow Braingle!