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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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	A natural number is chosen at random from amongst the first 300. What is the probability that the number chosen is a multiple of 2 or 3 or 5?
	a) 1/10		b) 11/15
	c) 4/150		d) 17/30

Q.2	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.3	Three cubes with sides in the ratio 3 : 4 : 5 are melted to form a single cube whose diagonal is 12√3 cm. The sides of the cubes are:
	a) 3 cm, 4 cm, 5 cm		b) 6 cm, 8 cm, 10 cm
	c) 9 cm, 12 cm, 15 cm		d) 12 cm, 16 cm, 20 cm

Q.4	In all the three sections of Woodland High School, there are 50, 70 and 80 students. Those who secured F grade are 10%, 20%, and 30%, respectively. What percentage of the total students in the school secured F grade?
	a) 12.5%		b) 15.6%
	c) 21.5%		d) 23.4%

Q.5	From 101 to 500, if a number is chosen at random, what is the probability that the number ends with 0?
	a) 11/100		b) 40/399
	c) 1/10		d) 41/400

Q.6	By melting a solid lead sphere of diameter 12 cm, three small spheres are made, whose diameters are in the ratio 3: 4: 5. The radius of the smallest sphere is:
	a) 1.5 cm		b) 3 cm
	c) 4 cm		d) 6 cm

Q.7	Reblet's father was 38 years old when she was born while her mother was 36 years old when her brother 4 years younger to 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.8	if a = (√2 + 1)/(√2 - 1) and b = (√2 - 1)/(√2 + 1), then value of a2 + ab + b2 is:
	a) 70		b) 35
	c) 40		d) 34

Q.9	A and B can complete a piece of work in 4 days and 8 days, respectively. They work on alternate days and A starts the work. In how many days will the work be completed?
	a) 3		b) 4
	c) 5		d) 6

Q.10	A company planned an outdoor location trip in which arrangements for food were made for 60 people for 20 days. After 5 days, 15 more men joined. For how many more days will the food last?
	a) 15 days		b) 12 days
	c) 17 days		d) 20 days

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.