Solution

26086

Problem
Three neighbours Back to problem
First name
Arthur
School
Monkfield Park Primary School
Country
England
Age
10

When I first saw this I thought that there is no sequence but then I done 2 more then I saw that you must times the mid numder by 3, E.G:14+15+16, times the 15 by 3 that equals 45,then I went back to 14+15+16 and that equals 45, this is an orther one 112+113+114, times the 113 by 3 that equals 339, then I went back to 112+113+114 and that equals 339.