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
0.4
0.33
0.25
0.2
Correct answer is A
No explanation has been provided for this answer.