Master complex mental calculations with the CREST Mental Maths Olympiad Sample Paper for Class 12. This sample paper is tailored for advanced learners aiming to boost speed, accuracy, and logical reasoning in high-level math competitions.

What's Inside the Class 12 CREST Mental Maths Sample Paper?

• High-difficulty questions from Comparing Quantities, Mensuration and Data Handling etc.
• Time-based practice for quick and strategic thinking
• Patterned after the official Class 12 CREST Mental Maths Olympiad format

Download the Class 12 CREST Mental Maths Olympiad Sample Paper PDF to begin focused preparation and perform confidently in Olympiad-level challenges.

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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	Convert this recurring fraction to decimal:
	a) 1.272727		b) 1.27
	c) 1.2727……		d) 1.272

Q.2	Factorise: x(x2 + y2 −z2) − z(x2 + y2 −z2)
	a) (x + y + z) (x2 + y2 + z2)		b) (x - z) (x2 + y2 + z2)
	c) (x + y) (x2 + y2 + z2)		d) (x2 + y2) + (x2 + z2)

Q.3	Factorise: m - 1 - (m - 1)2 + ax - a
	a) (2 - x + a)(2x + 1)		b) (2 - x + a)(2x - 1)
	c) (2 - x + a)(x - 1)		d) (2 - x + a)(x + 1)

Q.4	Simplify: x2 − 13x − 42 = (x − 6) (x − 7)
	a) 3(2x − 3) (x + 8)		b) (2x − 3) (x + 4)
	c) (2x − 3) (3x + 8)		d) 3(x − 3) (x + 8)

Q.5	Find the area of the shaded portion.
	a) 235 cm2		b) 230 cm2
	c) 231 cm2		d) 238 cm2

Q.6	If the height of the frustum is 4 cm and the radii of two bases are 3 cm and 6 cm respectively, find the slant height of the frustum.
	a) 4 cm		b) 8 cm
	c) 7 cm		d) 5 cm

Q.7	30 men can plant 60 trees in 5 hours. If 5 men leave the job, how many trees will be planted in 10 hours?
	a) 134		b) 100
	c) 145		d) 97

Q.8	Ten men can do a piece of work in 12 days. How many men are needed to complete the work in 20 days?
	a) 5		b) 7
	c) 6		d) 4

Q.9	If L stands for x, M stands for /, P stands for + and Q stands for -, which one of the following equations is correct? 1 6 P 2 4 M 8 Q 6 M 2 L 3 = ?
	a) 12		b) 11
	c) 10		d) 14

Q.10	What will come in place of question mark (?) in the following number series? 2, 3, 5, 8, 12, ?
	a) 13		b) 15
	c) 17		d) 19

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