CDS (II) 2016 · 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
45/47/8easy / medium / hard
Topics in this paper
Mathematics · 100 questions
- Number system6
- Heights and distances6
- Percentage4
- Quadratic equations4
- Time, speed, distance3
- Algebraic identities3
- Identities3
- Profit and loss2
- Simple interest2
- Compound interest2
- Ratio2
- Time and work2
- Averages2
- Mixtures2
Sample question from this paper
Number system · medium
The number of positive divisors of 360 is
- A. 18
- B. 24
- C. 20
- D. 30
Show answer and solution
Answer: B
, so the divisor count is . Counting only prime factors, or forgetting to add 1 to each exponent, gives the wrong options.
, so the divisor count is . Counting only prime factors, or forgetting to add 1 to each exponent, gives the wrong options.