Question

3+4=19 5+6=41 1+3=???

Answer 1

1+3=7
bcoz 3+4=19
3×4=12 and 3+4=7 12+7=19
5+6=41
5×6=30 and 5+6=11. 30+11=41
similarly,
1+3=7
1×3=3 and 1+3=4. 3+4=7.