Board Assam BoardCBSE MathematicsMathematics Generak ScienceGeneral Science Competitive Exam ReasoningApptitude General KnowledgeCurrent Affairs EnglishHistory Mathemathics Class-XII Mathemathics Class-XI Mathemathics Class-X Mathemathics Class-IX Chapter 12 Exercise 12.1 Solution Download Toggle #2 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.