perplexus.info :: Sequences : Complete the series

Complete the series (Posted on 2003-02-10)

There is a logical pattern to the following series of numbers. What are the next three numbers in the series?

15 21 25 27 33 35 39 ...

Submitted by Gautam

Rating: 3.2000 (5 votes)

Solution: (Hide)

45, 49, 51. The series consists of 2-digit odd numbers excluding primes.
(Certainly some of the more involved patterns that our visitors have submitted can hold true as well.)

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
puzzle solution	K Sengupta	2007-03-06 03:57:52
A Solution	Jenny	2005-06-21 02:06:46
Solution	chris	2003-02-12 06:22:04
Series: 15 21 25 27 33 35 39 ...	Brian Nowell	2003-02-11 19:25:00
Series: 15 21 25 27 33 35 39 ...	Brian Nowell	2003-02-11 19:23:17
re: Another thought	craig	2003-02-11 06:57:45
re: my answer	craig	2003-02-10 13:13:34
re: my answer	levik	2003-02-10 09:45:38
my answer	craig	2003-02-10 09:26:39
Another thought	Ender	2003-02-10 09:19:23
My Answer	Anoop	2003-02-10 03:11:11

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