Its purely a practice book with answers given at the end. There are no explanations given for topics in this book and the answers are only given in an answer key. (No detailed solutions given for the questions).
Kindly check picture of the index for the topics. Book has no pen marks, torn pages etc. Its an old book from 2014 so the pages might look a bit yellow but other than that its flawless. No. of pages 290.(English medium book).