Question

class 3st and 5th= 3480÷12=?​

Answer 1

$\huge\fbox\red{Answer}$

$\tt \: 3480 \div 12 = 290$

Answer 2

$\bold{Given :} \\ \\ = = > \frac{3480}{12} \\ \\ \bold{Solution :} \\ \\ = = > \cancel\frac{3480}{12} \\ \\ = = > \bold{290}$