Nowadays it is easy to revise previous years question papers using a smart phones App, for example Sharpener App truly gives a great freedom for IIT-JEE aspirants to revise it well, Many people says that this kind of modern study helps student to boost up their confidence level, is that true?

yes that absolutely boost the confidence of the students revising the lessons and looking previous year question paper it acutally help him to decide how the exam paper will be this year praticing previous years paper will also help him to think in the jee level.sites like askiitians is the one of that it fully helpful for who are writing the online test rather the offline test thank you.