If 4 kg of rice can feed 8 people, then Kg of rice can feed 320 people.

The correct option is A 160
Given,
8 people can consume 4 kg of rice.

8 people need = 4 kg rice
1 person need = 4 / 8 kg of rice
= 1/2 kg of rice
now,
320 people need = 320 x ( 1/2)
=160 kg