Find the next number in the following series:

11, 12, 20, 23, 33, 46, ?, ?

[irony]
Now isn't this brilliant ?

11, 12, 20, 23, 33, 46, 35, 54 72, 47, 75, 98, 59, 96, 124, 71, 117, 150, 83, 138, 176, 95, 159, 202, 107, 180, 228.......

can be obtained by merging the following three series:

11,23,35,47,59,71,83,95,107, (adding ascending multiples of 12 to 11)
12,33,54,75,96,117,138,159,180, (adding ascending multiples of 21 to 12)
20,46,72,98,124,150,176,202,228, (adding acsending multiples of 26 to 20)
[/irony]
Edited on February 14, 2004, 3:20 pm

Posted by Penny on 2004-02-14 15:00:45