CREST Mental Maths Olympiad Class 12 Sample Paper

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	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.2	The cost price of 4 articles is the same as the selling price of 3 articles. Find the profit percent.
	a) 24.30%		b) 33.33%
	c) 25%		d) 50%

Q.3	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.4	If f(x) = 2x3 - 3x2 + 12, then find f (2).
	a) 13		b) 15
	c) 14		d) 16

Q.5	What will come in place of question mark (?) in the number series? 6, 11, 21, 36, 56, ?
	a) 42		b) 51
	c) 81		d) 24

Q.6	In ABC, AB = AC. ∠DBC = ∠DCB = 40o. Find x.
	a) 125o		b) 130o
	c) 135o		d) 140o

Q.7	In the figure, ∆ABC and ∆PBC are two isosceles triangles. Find x.
	a) 120o		b) 110o
	c) 115o		d) 100o

Q.8	What will come in place of question mark (?) in the diagram?
	a) 135		b) 154
	c) 144		d) 125

Q.9	Leo buys a coloured TV for $10,000 and sells it for $12,000. Find his gain %.
	a) 30%		b) 40%
	c) 20%		d) 60%

Q.10	In the figure, find the value of CF.
	a) 9 units		b) 11 units
	c) 12 units		d) 14 units

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