Question

4+4=20 5+5=30 9+9=kitna hua plz

Answer 1

if 4+4=20 then 4*4+4=20
5*5+5=30
similarly 9*9+9=90

Answer 2

Hey

Here is your answer,

4x4+4=20

5x5+5=30

Then
9x9+9=90

Hope it helps you!