Most Repeated / Important Topics in CBSE Class 10 Maths:

• Number Systems — irrationality proof, fundamental theorem of arithmetic
• Algebra :

1. Polynomials — zeros, relation between zeroes and coefficients

2. Pair of Linear Equations in Two Variables — solving via substitution/elimination

3. Quadratic Equations — finding roots, discriminant, real-life problems

• Coordinate Geometry — distance formula, section formula
• Geometry / Triangles — similarity (AA, SSS, SAS), proportionality theorems
• Trigonometry — basic trigonometric ratios, identities, elevation & depression problems
• Statistics & Probability — mean, mode, median; basic probability questions