Write down the degree of each of thepolynomial \( 6 a^{4}-a^{4} b^{\circ}+a b^{7}+b^{7} \)
A) 4
B) 3
C) 7
D) 12
If \( a^{y-x} b^{z-y} c^{z-x} d^{x+y+z} \). If \( a, b, c, d \) are the first four powers of 3 and \( x, y, z \) are the first 3 natury numbers, then the monomials is
A) \( 3^{30} \)
B) \( 3^{33} \)
C) \( 3^{32} \)
D) \( 3^{34} \)
If \( A=p^{2} q^{2}-p q^{2}+p^{4}, B=x^{2} y+x y^{2}+2 x y-7, C=x+y \) and \( D=x y+y z \) are polynomials, the the degrees of \( A, B, C, D \) respectively are