This is a used book, with few pen marks, rest the book is very nice.It is based on the CBSE syllabus.Many suggestions from teachers have been incorporated in this book. CONTENTS 1. Algebra -> Linear equations in 2 variables, HCF and LCM of polynomials, Rational expressions, Quadratic Equations, Arithmetic Progression. 2.Commercial mathematics -> instalments, income tax. 3.Geometry -> Similar triangles, circles, tangents to circles, constructions. 4.Trigonometry -> trigonometric ratios, heights and distances. 5.Mensuration -> volume and surface area. 6.statistics -> mean, probability, pie charts. 7 Co-ordinate geometry Sample question papers are also there, for Ur help.