bending moment of a simply supported slab is M Kg.cm, the effective depth of the If the maximum slab is (where Q is M.R. factor)________________?

bending moment of a simply supported slab is M Kg.cm, the effective depth of the If the maximum slab is (where Q is M.R. factor)________________?

A. M/100Q
B. M/ Q
C. M/Q)
D. (M/100Q)