Degree of  $6xyz+5x^3+7x^2-y$ is

Degree of monomial  $6xyz=1+1+1=3$

Degree of monomial  $5x^3=3$

Degree of monomial  $7x^2=2$

Degree of monomial  $-y=1$

Among “3” is greatest

 $\therefore$ Degree is “3”