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	The ratio of the measure of an interior angle of a regular octagon to the measure of each of its exterior angles is:
	a) 1: 2		b) 1: 3
	c) 2: 3		d) 3: 1

Q.2	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.3	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.4	If (5 + 2√3)/(7 + 4√3) = a + b√3, then which of the following options is correct?
	a) a = -11, b = -6		b) a = -11, b = 6
	c) a = 11, b = -6		d) a = 6, b = 11

Q.5	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.6	The difference between the two numbers is 1365. On dividing the larger number by smaller, we get 6 as quotient and 15 as the remainder. The smaller number is:
	a) 240		b) 270
	c) 295		d) 360

Q.7	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.8	If the roots of the equation (c2 - ab) x2 - 2(a2 - bc) x + (b2 - ac) = 0 for a ≠ 0 are real and equal, then the value of a3 + b3 + c3 is:
	a) 3abc		b) abc
	c) 0		d) 1

Q.9	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.10	Which of the following statements is true?
	a) The point P(6, 0) lie in the quadrant I		b) The perpendicular distance of the point A(5, 4) from x-axis is 5 units
	c) The mirror image of the points A(4, 5) in the x-axis is (A' (-4, 5)		d) The mirror image of point A(4, 5) in the y-axis is A' (-4, 5)

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.