CREST Mental Maths Olympiad Class 9 Previous Year Paper

Helping your child prepare for the CREST Mental Maths Olympiad Class 9? Practising past question papers is a smart way to strengthen mental calculation skills and gain confidence before the exam.

Why Practise Previous Year Papers?

• Focuses on advanced topics like Number System, Algebra, Comparing Quantities, Playing with Numbers and much more.
• Improves speed, accuracy, and logical reasoning, crucial for excelling in Olympiads.
• Familiarises students with the exam format to reduce anxiety and boost performance.

Download the Class 9 CREST Mental Maths Olympiad Previous Year Paper PDF and support your child's practice for better results!

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Syllabus:

Number System
Algebra
Comparing Quantities
Geometry
Mensuration
Playing with Numbers
Data Handling

Sample 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	What are the two roots of the equation (x + 4) (x – 5) = 0?
	a) 4, 5		b) 6, 4
	c) -4, 5		d) -6, 4

Q.2	If x and y are the two digits of the number 883xy such that this number is divisible by 80, then  x + y = ?
	a) 4		b) 5
	c) 2		d) 6

Q.3	How many tangents are there in all in this figure?
	a) 2		b) 0
	c) 4		d) 1

Q.4	A sum of money becomes four times in 20 years at simple interest. Find the rate of interest.
	a) 22%		b) 23%
	c) 15%		d) 8%

Q.5	If a square is inscribed in a circle, find the ratio of the area of the circle and the square.
	a) π : 2		b) π : 1
	c) 2 : 1		d) 2 : 5

Q.6	From the top of a 5 m high building, the angle of elevation of the top of a cable tower is 60° and the angle of depression of its foot is 45°. Determine the height of the tower.
	a) 7(√3+1) m		b) 5(√2+1) m
	c) 7(√2+1) m		d) 5(√3+1) m

Q.7	Study the line graph and find the number of vehicles manufactured by company X in 2022.
	a) 120000		b) 140000
	c) 160000		d) 100000

Q.8	In the given figure, ‘O’ is the centre of the circle and ∠AOC = 160°. What is the measure of ∠ABC?
	a) 76o		b) 80o
	c) 160o		d) 90o

Q.9	The base radius of a cylinder is 20 cm and its height is 10 cm. Find its curved surface area in cm2.
	a) 1180 cm2		b) 1280 cm2
	c) 1260 cm2		d) 1200 cm2

Q.10	Factorise: x4 - 2x2y2 + y4
	a) (y)(x + y)(x + y)(2x)		b) (2x + y)(x - y)(x + y)(2x)
	c) (2x + y)(x + y)(x - y)(2x - y)		d) (x - y)(x + y)(x - y)(x + y)

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