CREST Mathematics Olympiad Class 9 Previous Year Paper

Is your child preparing for the Class 9 Maths Olympiad? Practising with previous year question papers is one of the most effective ways to improve performance. These papers offer students a clear understanding of exam-style questions and help strengthen their problem-solving techniques.

Benefits of Solving Class 9 Previous Year Papers

• Cover key concepts such as Number Systems, Polynomials, Coordinate Geometry, Linear Equations in Two Variables, Introduction to Euclid's Geometry etc.
• Build accuracy, speed, and logical reasoning - essential skills for competitive exams.
• Provide exposure to the Olympiad format, helping reduce exam-day stress and surprises.

Each paper comes with an answer key so students can review their solutions, understand mistakes, and focus on areas needing improvement.

Download the Maths Olympiad Previous Year Paper for Class 9 (PDF) to help your child prepare with focus and confidence, and aim for top scores in the upcoming Olympiad.

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Open CREST Mathematics Olympiad Class 9 Previous Year Paper (PDF)

Syllabus:

Section 1: Number Systems, Polynomials, Coordinate Geometry, Linear Equations in Two Variables, Introduction to Euclid’s Geometry, Lines and Angles, Triangles, Quadrilaterals, Areas of Parallelograms and Triangles, Circles, Constructions, Heron’s Formula, Surface Areas and Volumes, Statistics, Probability.

Achievers Section: Higher Order Thinking Questions - Syllabus as per Section 1

Sample Paper Previous Year Paper Marking Scheme Free Study Material

Previous Year Questions

Q.1

Q.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	If the chord of a circle of radius r subtends a right angle at the centre of the circle, then the area of the corresponding segment of the circle is:
	a) (π/2 - 1)r2		b) r2/2
	c) π r2/4		d) (π/4 - 1/2)r2

Q.2	Reblet's father was 38 years old when she was born, while her mother was 36 years old when her brother, who was 4 years younger than her, was born. What is the difference between the ages of her parents?
	a) 2 years		b) 4 years
	c) 6 years		d) 8 years

Q.3	In the given figure quadrilateral ABCD is circumscribed touching the circle at P, Q, R and S. If AP = 6 cm, BP = 5 cm, CQ = 3 cm and DR = 4 cm, then perimeter of quadrilateral ABCD is:
	a) 18 cm		b) 27 cm
	c) 36 cm		d) 22 cm

Q.4	The smallest rational number by which 1/3 should be multiplied so that its decimal expansion terminates after one place of decimal, is:
	a) 3/100		b) 3/10
	c) 3		d) 30

Q.5	In the given figure, a circle touches all the four sides of quadrilateral ABCD with AB = 6 cm, BC = 7 cm and CD = 4 cm. The length AD is:
	a) 3 cm		b) 4 cm
	c) 5 cm		d) 6 cm

Q.6	A, B and C each working alone, can finish a piece of work in 27, 33, and 45 days, respectively. If A starts by working alone for 12 days, then B takes over from A and works for 11 days. At this stage, C takes over from B and completes the remaining work. In how many days the whole work was completed?
	a) 33 days		b) 31 days
	c) 39 days		d) 35 days

Q.7	A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is:
	a) 10%		b) 20%
	c) 10.08%		d) 28%

Q.8	What is the average of percent rise over the given years?
	a) 110%		b) 105%
	c) 100.5%		d) 92.5%

Q.9	If x and y are natural numbers such that (3x + 7y) is a multiple of 11, then which of the following expressions is always divisible by 11?
	a) (4x + 6y)		b) (x + y + 4)
	c) (9x + 4y)		d) (4x - 9y)

Q.10	In the figure given below, if AB || CD, CD || EF and y: z = 4: 5, then find the value of ∠x:
	a) 100°		b) 76°
	c) 82°		d) 122°

Your Score: 0/10

Additional Preparation Resources

Students can also refer to the following resources to level up their CREST Mathematics Olympiad (CMO) exam preparation for class 9 -

1. CREST Mathematics Worksheets Package for class 9 - It is a package of 5 worksheets. The worksheets are in the same pattern as the previous year paper. Hence, very useful for preparation. Existing users can purchase additional practice worksheets by following these steps: Login at https://www.crestolympiads.com/login -> Dashboard -> Additional Practice -> Buy & new users can visit https://www.crestolympiads.com/registration
2. CREST Mathematics Olympiad book for class 9 - The book covers topic-wise reading material, chapter-wise practice questions with answer key & contains the previous year paper. The book is available in both physical and pdf formats. Proceed now to purchase the Olympiad book. Also, students can view & download the first chapter of the Maths Olympiad book for class 9 for free.

Note: Don’t forget to download the CREST Mathematics Olympiad past year paper pdf for class 9.