Consider the following statement about polyblend
I. In 1998, Ahmed Khan developed polyblend, a fine powder of recycled modified plastic.
II. Polyblend has been mixed with bitumen to lay roads in Bangalore
III. Polyblend enhances bitumen’s water repellant properties and helps to increase the life of road.
Which of the statements given above are correct?
(correct answer + 1, wrong answer - 0.25)