PrepRung

Home / CDS / 2025 / Maths

CDS (II) 2025 · Elementary Mathematics

A full Elementary Mathematics paper in the UPSC CDS pattern: 100 questions in 2 hours, with a third of the question's marks deducted for every wrong answer. Arithmetic, algebra, trigonometry, geometry, mensuration and statistics at Class 10 level, against the clock.

100questions
100marks
2 hoursno calculator
30/51/19easy / medium / hard

Topics in this paper

Mathematics · 100 questions

  • Volume7
  • Areas of plane figures6
  • Percentage5
  • Triangles5
  • Mean5
  • Circles4
  • Profit and loss3
  • Time and work3
  • Quadratic equations3
  • Linear equations3
  • Trigonometric ratios3
  • Complementary angles3
  • Identities3
  • Heights and distances3

Sample question from this paper

Divisibility · medium

The multiple of 64 which is nearest to 10000 is
  1. A. 9984
  2. B. 10048
  3. C. 10000
  4. D. 9920
Show answer and solution
Answer: A
64×156=998464\times156=9984 and 64×157=1004864\times157=10048. The distances from 10000 are 16 and 48, so 9984 is nearer. 10048 is the next multiple, not the nearest.