4+5=9 and 9-8=1 1+5=6 and 6-4(which is half of 8)=2 now, 2+5=7 and 7-2(which is half of 2)=5
On behalf of Sture Sjöstedt
In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set?
(2 + 6), (21 + 6), (58 + 6), (119 + 6), ??