Question

if 2=6, 3=12, 4=20, 5=30, 6=42, then
9=?

Answer 1

Answer:

Step-by-step explanation:

2^2 + 2 = 6

3^2 + 3 =12

And so on...

9^2 + 9 = 90

Hope it helps you !

4^2 +4 = 20

5^2 + 5 = 30

Hope you got that !

Answer 2

Answer : 90

Explanation-

if 2 = 6 , 3 = 12 , 4 = 20 , 5 = 30 , 6 = 42 then 9 = ?

2 x 3 = 6

3 x 4 = 12

4 x 5 = 20

5 x 6 = 30

6 x 7 = 42

7 x 8 = 56.

8 x 9 = 72

9 x 10 = 90

Hence :

$\bold{Answer : \: 9 \: = \:90}$