This BOOK Volume II is specifically designed to ensure success in both School Examinations and building strong concepts for future competitive examinations. The comprehensive theory for every topic covers all which you need to know for school examinations and further, building a strong foundation for higher studies. This includes concepts that includes applications, tips-n-trivia and fun facts related to the topic at hand, making learning fun and engaging. In addition to solved examples and useful illustrations, we have come up with two levels of exercises to test your knowledge - Exercise 1 covers question types seen in Examinations like Very Short Answer, Short Answer, Long Answer among others; Exercise 2 covers question types commonly seen in competitive examinations so that the students become habitual of solving such problems early. Moreover, all topics have been summarised at the end of every chapter for quick revision and easy understanding.