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, 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.2	The simple interest on a sum of money is 1/144 of the principal and the number of years is equal to the rate per cent per annum. What will be the rate per cent per annum?
	a) 3/5 %		b) 5/6 %
	c) 7/6 %		d) 1/6 %

Q.3	In the given figure, O is the centre of the circle. AB and CD are its two chords. If OM Ʇ AB, ON Ʇ CD and OM = ON, then which of the following is correct?
	a) AB ≠ CD		b) AB < CD
	c) AB > CD		d) AB = CD

Q.4	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.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	In the given figure, AC = DC and CB = CE. Using Euclid's axiom, which of the following options is correct?
	a) AB = 2DE		b) AB = DE
	c) AD = BE		d) AB = AC

Q.7	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.8	If the length of a rectangular field is increased by 20% and the breadth is reduced by 20% the area of the rectangle will be 192 m2. What is the area of the original rectangle?
	a) 184 m2		b) 196 m2
	c) 204 m2		d) 200 m2

Q.9	If angles with measure x and y form a complementary pair, then angles with which of the following measures will form a supplementary pair?
	a) (x + 47°), (y + 43°)		b) (x - 23°), (y + 23°)
	c) (x - 43°), (y - 47°)		d) (x + 43°), (y + 47°)

Q.10	If the equation (a2 + b2) x2 - 2 (ac + bd)x + (c2 + d2) = 0 has equal roots, then which one of the following is correct?
	a) ab = cd		b) ad = bc
	c) a2 + c2 = b2 + d2		d) ac = bd

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.