If looking for a gud practice book and want to score high in examination than u must try this oswaal cbse sample ques. papers class 10 mathematics standard(for march 2020 exam)book. It contains sample ques. Papers for 2020-first five solved and next five unsolved with hints. Also previous year solved ques. Paper with cbse marking scheme given. Answering tips and mostly made errors are given special focus. Mind maps are given to help u with the revision at the tym of exams. Marks distribution for each type of ques.(very short,short and long ques.) Given. Also in each paper,ques. Have been classified the typology issued by cbse as:R(remembering),U(understanding),A(applying),AE(analysing &evaluating),C(creating).It will help u in better understanding of ques. Since we all know that math is a subject which need regular practice and those who find maths an obstacle in scoring gud marks must go for this book as most of the ques. are likely to come in exams. I like this book and hope u like this too. Hope my opinion helps u.
Its important to get accustomed with the type of questions that you should expect at the board with a question bank like that of oswaal's. 10 set of questions with 5 fully solved ones including toppers handwritten solution and 5 self assesments papers with hints and complete soultion support at their website to cross check self evaluation results for better learning. Mind maps and on tips notes for each chapters for quick revision prior to attemtping questions. All these defenitely helps any student score well in maths if followed systematically.