CREST Mathematics Olympiad Class 10 Previous Year Paper

Getting ready for the Class 10 Maths Olympiad? Practising previous year question papers is one of the most powerful tools to enhance your child's preparation. These papers give students real exam experience while helping them revise smarter and more effectively.

Why Class 10 Previous Year Papers Matter

• Cover crucial topics such as Real Numbers, Polynomials, Pair of Linear Equations in Two Variables, Quadratic, Equations, Arithmetic Progressions and Triangles etc.
• Help students fine-tune their problem-solving speed and accuracy under timed conditions.
• Develop analytical thinking and familiarity with Olympiad-level questions.

Answer keys are included with each paper, allowing students to check their performance and work on specific areas for improvement.

Download the Maths Olympiad Previous Year Paper for Class 10 (PDF) and give your child the edge they need to succeed in the Olympiad with confidence and clarity.

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Syllabus:

Section 1: Real Numbers, Polynomials, Pair of Linear Equations in Two Variables, Quadratic Equations, Arithmetic Progressions, Triangles, Coordinate Geometry, Introduction to Trigonometry, Some Applications of Trigonometry, Circles, Constructions, Areas Related to Circles, 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 sum of the ages of a father and son is 45 years. Five years ago, the product of their ages was four times the father's age at that time. The present ages of the father and son respectively are:
	a) 25 years, 10 years		b) 36 years, 9 years
	c) 39 years, 6 years		d) 35 years, 10 years

Q.2	If tan θ = a sin φ/(1 - a cos φ) and tan φ = b sin θ/(1 - b cos θ), then find the value of a/b:
	a) sin θ/(1 - cos θ)		b) sin θ/(1 - cos φ)
	c) sin φ/sin θ		d) sin θ/sin φ

Q.3	A bag A contains 4 green and 6 red balls. Another bag B contains 3 green and 4 red balls. If one ball is drawn from each bag, find the probability that both are green:
	a) 13/20		b) 1/4
	c) 6/35		d) 8/35

Q.4	If a/b, b/c, and c/a are in AP, then which of the following is true?
	a) ca2, ab2 and bc2 are in AP.		b) ab2, bc2 and ca2 are in AP.
	c) a2b, b2c and c2a are in AP.		d) a, b, and c are in AP.

Q.5	A jar has 75 L of milk. 15 L is drawn out and replaced with 15 L of water. This operation is done once every day. On which day, will the amount of milk in the container become less than 15 L?
	a) 5th day		b) 7th day
	c) 6th day		d) 8th day

Q.6	Which of the following is the equation of a straight line?
	a) y = 2x2		b) x2 + y2 = a2
	c) (x/a) + (y/b) = 1		d) (x2/a2)+ (y2/b2) = 1

Q.7	If H.C.F. (a, b) = 12 and a x b = 1800, find L.C.M. (a, b):
	a) 3600		b) 900
	c) 150		d) 90

Q.8	The median of a set of 9 distinct observations is 20.5. If each of the largest 4 observation of the set is increased by 2, then the median of the new set:
	a) Is increased by 2		b) Is decreased by 2
	c) Is two times the original median		d) Remains the same as that of the original set

Q.9	If α + β = 90⁰, α = 2β, then find the value of cos2α + sin2β:
	a) 1/2		b) 3/4
	c) 3/2		d) 1

Q.10	An item is marked at a mark-up of x%. It is discounted by y% while being sold to a customer. If the shopkeeper does not gain or loss anything, which of the following is definitely true?
	a) x = y		b) x > y
	c) x < y		d) No definite relation exists

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 10 -

1. CREST Mathematics Worksheets Package for class 10 - 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 10 - 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 10 for free.

Note: Don’t forget to download the CREST Mathematics Olympiad past year paper pdf for class 10.