Hi everyone. We have many queries related to our subjects which we study.Then we firstly find solutions on the book , if we doesn’t get the answer in the book then we Google it. Whenever we Google any question the first answer displayed is by Meritnation.com. it is the learning website through online. The prices are very high for a course. But for asking and answering questions it is free of cost this is thing thats why I trust more on it. Meritnation is a well developed website where anyone registered with Meritnation can ask the question and give answers to someone problems. I blindly trust the Meritnation website in terms of online education. Hope you got some more knowledge about this educational site