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 figure below shows two concentric circles with centre O. PQRS is a square inscribed in the outer circle. It also circumscribes the inner circle, touching it at points B, C, D and A. The ratio of the perimeter of the outer circle to that of polygon ABCD is:
	a) π : 4		b) 3π : 2
	c) π : 2		d) π : 1

Q.2	A cow is tethered at corner A by a rope. Neither the cow nor the rope is allowed to enter △ABC. ∠A = 30°, AB = AC = 10 m, and BC = 6 m. What area can the cow graze if the rope is 8 m long?
	a) 133 1/6π sq. m		b) 121 π sq. m
	c) 132 π sq. m		d) 176/3 π sq. m

Q.3	Find the value of the following: sin 5θ/sin θ
	a) 16 cos4θ - 12 cos2 θ - 1		b) 16 cos4θ - 12 cos2 θ + 1
	c) 16 cos4θ + 12 cos2 θ - 1		d) 16 cos4θ + 12 cos2 θ + 1

Q.4	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.5	If α and β are the roots of the equation x2 - 5x + 6 = 0, then the value of (α2 - β2) is equal to:
	a) 5		b) -5
	c) ±5		d) +6

Q.6	In a bag, there are 2 red balls, 3 green balls and 4 brown balls. Find the probability of drawing a ball at random being red or green:
	a) 5/9		b) 1/4
	c) 1/5		d) 4/9

Q.7	Find the value of α such that the quadratic equation (α − 12)x2 + 2(α − 12)x + 2 = 0 has equal roots.
	a) 12		b) 14
	c) 15		d) 16

Q.8	X men and Y women work together for n days. The daily wages of a man and a woman are in the ratio 5:4. If the ratio of the total wages of all the men for n days to the total wages of all the women for n days is 40:32, find the ratio of X to Y:
	a) 25: 16		b) 5: 4
	c) 1: 1		d) 3 : 5

Q.9	A man sold 3/5th of his article at a gain of 20% and the remaining at cost price. Find the gain earned in the transaction:
	a) 8%		b) 10%
	c) 12%		d) 14%

Q.10	Let Tr be the rth term of an A.P. for r = 1, 2, 3, ………… If for some positive integers m, n we have Tm = 1/n and Tn = 1/m, then Tmn equals:
	a) 1		b) 1/m + 1/n
	c) 1/mn		d) 0

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.