The data for feed consumption and weighing gain of four farm animals labelled P, Q, R and S are shown below.
P-50kg feed consumed and 20kg weight gained Q-90kg feed consumed and 30kg weight gained R-100kg feed consumed and 25kg weight gained S - 150kg feed consumed and 30kg weight gained.

The feed conversion efficiency of the poorest weight gainer is

A.

0.4

B.

0.33

C.

0.25

D.

0.2

Correct answer is A

No explanation has been provided for this answer.