CDS (II) 2024 · 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
30/48/22easy / medium / hard
Topics in this paper
Mathematics · 100 questions
- Heights and distances6
- Number system5
- Mean5
- Percentage4
- Ratio and proportion4
- Time and work4
- Identities4
- Triangles4
- Cylinder4
- Profit and loss3
- Time, speed and distance3
- Quadratic equations3
- Logarithms3
- Complementary angles3
Sample question from this paper
HCF and LCM · medium
Three runners start together on a circular track and take 40 s, 60 s and 90 s per lap respectively. They are next together at the starting point after the slowest runner has completed
- A. 3 laps
- B. 6 laps
- C. 9 laps
- D. 4 laps
Show answer and solution
Answer: D
LCM s. The slowest runner needs 4 laps in that time (the others need 9 and 6). Trap: 9 is the fastest runner's count, not the slowest's.
LCM s. The slowest runner needs 4 laps in that time (the others need 9 and 6). Trap: 9 is the fastest runner's count, not the slowest's.