CREST Mental Maths Olympiad Class 9 Sample Paper

Take mental calculation skills to the next level with the CREST Mental Maths Olympiad Sample Paper for Class 9. Crafted to support high school students, this sample paper encourages analytical thinking and speed-based problem-solving.

What's Inside the Class 9 CREST Mental Maths Sample Paper?

• Challenging problems from topics like Number System, Data Handling, and Geometry etc.
• Time-bound questions to build speed and precision under exam conditions
• Strictly follows the Class 9 CREST Mental Maths Olympiad exam structure

Download the Class 9 CREST Mental Maths Olympiad Sample Paper PDF and get a head start on scoring high in competitive maths assessments.

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Syllabus:

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

Sample Paper Marking Scheme Free Study Material

Sample Questions

Q.1

Q.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	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)

Q.2	Angles of a linear pair are in the ratio 8 : 1. What is the degree of measure of both angles?
	a) 90o and 230o		b) 160o and 20o
	c) 80o and 40o		d) 110o and 40o

Q.3	Evaluate: (26 ÷ 23)-1/3
	a) 1		b) 2/3
	c) 1/2		d) 1/3

Q.4	Solve: 1601 × 198 ÷ 49 – 1399 + 3878 = ?
	a) 6000		b) 8700
	c) 8900		d) 4700

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	Either 8 men or 17 women can paint a wall in 33 days. Find the number of days required to paint three such walls by 12 men and 24 women working at the same rate.
	a) 21 days		b) 18 days
	c) 34 days		d) 27 days

Q.7	ΔABC and ΔDEC are the right triangles with ∠B = ∠E = 90°, find BE.
	a) 20 cm		b) 18 cm
	c) 11 cm		d) 15 cm

Q.8	A sum of $7700 is lent out in two parts in such a way that the interest on one part at 20% for 5 years is equal to that on another part at 9% for 6 years. Find the second part of the sum.
	a) $5,000		b) $2,349
	c) $5,689		d) $4,698

Q.9	An underground water tank is in the shape of cube of side 7 m. What will be its volume?
	a) 343 m3		b) 535 m3
	c) 245 m3		d) 143 m3

Q.10	In the given figure, PQRS is a rectangle. Find PR + QS.
	a) 32 cm		b) 26 cm
	c) 44 cm		d) 36 cm

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