Question

If
2, 6=5
4, 9=7
6, 11=8
8, 15=11
Then:
12, 18=??
Show calculations properly with ans...
No explanations in words plz..

Answer 1

If:-

2, 6 = 6 - (2/2)

= 5

4, 9 = 9 - (4/2)

= 7

6, 11 = 11 - (6/2)

= 8

8, 15 = 15 - (8/2)

= 11,

Then:-

12, 18 = 18 - (12/2)

= 12.