Question

Replace the Correct Value in the Place of Question Mark
2=6 3=12 4=20 5=30 6=42 9=? Replace the Question mark with the Correct value?

Answer 1

6=2*2+2,12=3*3+3,20=4*4+4..........9*9+9=90

Answer 2

9×10 = 90
2×3=6
3×4=12
4×5=20............. 9×10 = 90