A free app for Android, by Shrii Aarya.

If you are a high school student, or even if you are a college student, this app is a must-have in your mobile phone or tablet. It contains all the NCERT (National Council of Educational Research and Training) solutions for the Class 12th exam. The app provides you with a complete solution for all the questions in all the chapters. You will get the answers in the form of questions and answers. You can also find the solution to the questions in the form of an explanation. This is a very good app to help you get a good score in your exams.