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 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.2	Which of the following options is correct? Euclid's axiom 5 is:
	a) The which coincide with one another are equal		b) If equals are subtracted from equals, the remainders are equals
	c) The whole is greater than the part		d) Things which are equal to the same thing are also equal to one another

Q.3	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.4	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.5	The difference between two positive numbers is 3. If the sum of the squares of these numbers is 369, then the sum of numbers is:
	a) 25		b) 27
	c) 33		d) 81

Q.6	Cards marked with the numbers 2 to 101 are placed in a box and mixed thoroughly. One card is drawn from this box. Find the probability that the number on the card is a perfect square:
	a) 1/50		b) 8/100
	c) 9/100		d) 1/10

Q.7	Which of the following triangles is formed by straight lines x + y = 2, x - y = 2 and y-axis?
	a) ∆AOB		b) ∆ABC
	c) ∆ADC		d) ∆ADO

Q.8	1250 oranges were distributed among a group of girls of a class. Each girl got twice as many oranges as the number of girls in that group. The number of girls in the group was:
	a) 25		b) 45
	c) 50		d) 100

Q.9	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.10	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

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.