PrepAtlas
FeaturesExamsPricingAbout
Sign inStart free
ExamsRRB Group DMathematics

Mathematics

Chapters

1. Geometry & Mensuration
Triangles, circles, mensuration of 2D and 3D shapes.
2. Simple & Compound Interest
SI, CI, CI−SI difference, half-yearly compounding.
3. Algebra
Linear and quadratic equations, identities, indices.
4. Trigonometry
Trig ratios, identities, heights and distances.
5. Mixture & Alligation
Alligation rule, replacement, dilution and mixing problems.
6. Averages
Average, weighted average, replacement, age and two-way trip problems.
7. Ratio, Proportion & Partnership
Ratios, mean proportion, partnership profit-sharing.
8. Simplification & Approximation
BODMAS, fractions, decimals and approximation tricks for fast arithmetic.
PrepAtlas

India's smartest exam prep platform. Personalized practice, mock tests, and daily current affairs — built for JEE, NEET, GATE and beyond.

Product

  • Features
  • Exams
  • Pricing
  • Current Affairs
  • Mock Tests

Exams

  • JEE Main
  • NEET UG
  • JEE Advanced
  • GATE
  • UPSC

Company

  • About
  • Sources
  • Privacy Policy
  • Terms of Service

© 2026 PrepAtlas. All rights reserved. Built for Indian students 🇮🇳

PrivacyTermsSources