Question

Find odd man out from
Rubber,plastic,silk,wool

Answer 1

plastic as it is man made

Answer 2

Plastic is the odd one out. Rubber, silk and wool are not man-made.

But plastic is man-made.

When people combine sulfer and oxygen (naturally available materials) and then the materials are being put under chemical process and heat.

Parkeisin is the first man made plastic. rubber, plastic and wool are all the example of natural materials derived from animals and plants.

Therefore, plastic is the odd one out.