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	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.2	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

Q.3	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°

Q.4	If in the figure given below 'O' is the centre of the circle, then the value of x will be:
	a) 90°		b) 50°
	c) 20°		d) 40°

Q.5	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.6	If the side of a rhombus is 20 cm and its shorter diagonal is three-fourths of its longer diagonal, then the area of the rhombus is:
	a) 375 cm2		b) 380 cm2
	c) 384 cm2		d) 395 cm2

Q.7	Reck was asked to find 7/9 of a fraction. But, he made a mistake of dividing the given fraction by 7/9 and got an answer which exceeded the correct answer by 8/21. The correct answer is :
	a) 3/7		b) 7/12
	c) 2/21		d) 1/3

Q.8	Two equal sums are lent at simple interest. The first sum is recovered in 3 years and the second sum in 6 years. The rate of interest per annum on the first sum is 2% more than that of the second sum. Find the total sum lent if the amount in each case is $560:
	a) $530		b) $500
	c) $1,480		d) $1,000

Q.9	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

Q.10	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

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.