Respuesta :

maheshsinghmeenu

Step-by-step explanation:

n=3

1. 12=4×n

=12/4=n

=3=N

3.n×12=36

n=36/12

n=3

n=4

2. 12=n×3

12/3=n

3=n

n= 9

4. 4×n=36

n=36/4

9=n

hope it helps