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	If [√(x +1) + √(x - 1)]/[√(x + 1) - √(x - 1)] = 3, then the value of x is:
	a) 3/5		b) 4/5
	c) 5/3		d) 3

Q.2	Three chords AB, CD and EF of a circle are respectively 3 cm, 3.5 cm and 3.8 cm away from the centre. Then which of the following is correct?
	a) AB > CD > EF		b) AB < CD < EF
	c) AB = CD = EF		d) AB = CD < EF

Q.3	If a = 2 + √3 and b = 2 - √3, then find the value of (1/a2 - 1/b2):
	a) 14		b) -14
	c) 8√3		d) -8√3

Q.4	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.5	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.6	What is the average of percent rise over the given years?
	a) 110%		b) 105%
	c) 100.5%		d) 92.5%

Q.7	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.8	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.9	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.10	The polynomial x3 - 4x2 + x - 4 on factorization gives:
	a) (x - 4) (x -1) (x + 1)		b) (x -4) (x2 + 4)
	c) (x + 4) (x + 1) (x - 1)		d) (x - 4) (x2 + 1)

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.