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	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.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	Two circle touch internally. The sum of their area is 116π cm2 and distance between their centre is 6 cm. Then, what is the radii of the circles?
	a) 10 cm, 4 cm		b) 15 cm, 6 cm
	c) 12 cm, 8 cm		d) 16 cm, 6 cm

Q.4	Find the next number in the sequence: 1, 1, 2, 3, 5, 8, 13, ?
	a) 15		b) 17
	c) 19		d) 21

Q.5	Solve the following equation.
	a) x2 + 7x + 10 = 0		b) x2 + 10x + 27 = 0
	c) x2 + 7x + 4x + 10 = 0		d) 3x2 + 3x + 17 = 0

Q.6	Factorise: (x2 - x)2 - 8(x2 - x) + 12
	a) (x - 1)(x - 2)(x + 1)(x + 2)		b) (x + 2)(x - 2)(x - 2)(x + 3)
	c) (x - 1)(x - 2)(x - 3)(x - 2)		d) (x + 1)(x - 2)(x - 3)(x + 2)

Q.7	Express 3.14 into a mixed fraction.
	a)		b)
	c)		d)

Q.8	Find curved and total surface area of a conical flask of radius 6 cm and height 8 cm.
	a) 60π, 96π		b) 86π, 66π
	c) 47π, 53π		d) 37π, 76π

Q.9	A starts a business with $4000 and B joins him after 3 months with $16000. Find the ratio of their profits at the end of year.
	a) 1 : 1		b) 3 : 7
	c) 2 : 5		d) 1 : 3

Q.10	What will be the area of a circle with circumference equal to 88 cm?
	a) 512 cm2		b) 622 cm2
	c) 616 cm2		d) 578 cm2

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