Book excerpt: Geometry is an important part of Quantitative Aptitude Section of SSC CGL, CPO, CHSL, and other such competitive examinations. Advanced mathematics makes fifty to sixty percent part of the Mains examination of SSC CGL out of which thirty percent questions are based on Geometry. Also, as per a recent change observed in the trend of these examinations, the geometry questions now being asked are difficult to solve when compared to previous examinations. So, it becomes a must for all the SSC aspirants not to give this portion a cold shoulder. The ?The Cracker Practice Book for Geometry? covers the difficult new pattern questions under the name Challenger Practice Sets along with the previous year questions that are expected to be repeated in the upcoming examinations. In this book, we provide you all with detailed theories on Circles, Triangles, Quadrilaterals, and Polygons that are followed by practice exercises and previous year questions. It will help the students analyze what is being asked in these examinations so that they prepare accordingly.