For the following questions answer them individually
Read the following information carefully and answer the question given below.
Eight friends—Manoj, Ritu, Banu, Rishi, Anu, Rohan, Sonu and Akash sit in a row having chairsnumbered one to eight in ascending order from left to right. They all are facing north direction. Banu sits on the chair numbered six. There are exactly two persons between Banu and Manoj.Ritu and Akash always sit adjacent to each other. Sonu sits adjacent to neither Manoj nor Banu.
Anu never sits on a chair having an odd number on it. Neither Ritu nor Akash sits on chair numbered four. There is only one person between Rohan and Ritu. Anu sits on the right (not an immediate right) of Rishi, and Rishi never sits adjacent to Rohan.
Who among the following sits on a chair which is having an even number on it?
Galvanisation is a method of protecting iron from rusting by coating it with a thin layer of?