The values of for the reactions,
X ⇋ Y + Z ........(i)
A ⇋ 2B .........(ii)
are in the ratio 9 : 1. If degree of dissociation of X and A be equal, then total pressure at equilibrium (i) and (ii) are in the ratio
(a) 36 : 1
(b) 1 : 1
(c) 3 : 1
(d) 1 : 9
