Question

solve the puzzle friends

Answer 1

6+7=13
-3=10 is the answer

Answer 2

First
add first two terms and then square root the sum then add third term
For ex :- 1+3=4
√4= 2
2+3=5
9+7=16 =√16=4+4=8
20+16=36=√36=6+12=18
3+6=9=√9=3+7=10
Hope it helps you