Answer:
The answer is 36
How to get there:
11*11=121
10*10=100
9*9=81
8*8=64
7*7=49
6*6=36
Ans 36
The pattern is basically multiplying by the same factor. As the number decreases, the factors decrease by one. So we go from 7*7 which equals 49, to 6*6 which equals 36. Just notice the patterns :)