OFFER OF FREE MATHS PDF (a)31 Most important questions of maths from last 8 years question papers (of 3 & 4 marks) with the solution. (b)40 very important questions of maths from R.D Sharma. If you are studying in 10 th class or you want to pass the entrance exam of an institute or college or you want to qualify a medical entrance exam then this book is suitable for you. The contents is in the form of questions and answers which are explained by an expert. Total numbers of questions are 34 which are about the life process only. If you study it will rejuvenate your brain definitely.