SSC_CHSL_2025_Maths – Top 125 Questions 50 Shifts Chapterwise, is a collection of mathematics practice questions for the SSC CHSL 2025 exam, prepared by Gagan Pratap Sir.
Key Features and Topics:
Exam Focus: SSC CHSL 2025.
Content: Top 125 Questions, compiled from "50 Shifts का निचोड़" (The essence of 50 Shifts).
Format: Bilingual and Chapterwise.
Instructor: Gagan Pratap Sir.
Question Types: The document presents multiple-choice questions covering various mathematics topics, including:
Algebra: Expanding expressions, finding remainders, equations involving x^2 + y^2 + z^2.
Number System: Properties of rational and irrational numbers, decimal expansion of rational numbers, and number theory (HCF/LCM related).
Percentages and Profit/Loss: Successive increments, defect rates, investment returns, cost estimation, population change, and discount problems.
Geometry/Mensuration: Coordinates of orthocenter and centroid, equation of a line, properties of triangles (circumcenter, incenter, angle bisector), circles (tangents, chords).
Simple and Compound Interest: Calculating principal, amount, rate, and differences in interest over time.
Time, Speed, and Distance: Train problems, relative speed, average speed, and escalator problems.
Mixtures and Allegations: Mixing alloys and mixtures like milk and water or methanol solutions.
Volume and Surface Area: Calculations for pyramids, cylinders, spheres, prisms, and cubes, including problems involving melting and recasting.
Partnership and Time & Work: Division of profit based on investment, and efficiency-based work problems.
Trigonometry and Averages: Basic trigonometric identities and calculating various types of averages.
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