If \(m, p, s\) and \(v\) are positive, and \(\dfrac{m}{p}< \dfrac{s}{v},\) which of the following must be between

If \(m, p, s\) and \(v\) are positive, and \(\dfrac{m}{p}< \dfrac{s}{v},\) which of the following must be between \(\dfrac{m}{p}\) and \(\dfrac{s}{v}?\)

I. \(\dfrac{m+s}{p+v}\)

II. \(\dfrac{ms}{pv}\)

III. \(\dfrac{s}{v}-\dfrac{m}{p}\)


A. None
B. I only
C. II only
D. III only
E. I and II both

Answer: B

Source: GMAT Prep