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

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	In 250 consecutive days, weather forecasts were correct 175 times. Find the probability of getting 'not correct' forecast.
	a) 3/10		b) 5/10
	c) 11/10		d) 7/10

Q.3	What will come in place of question mark (?) in the following equation? (approx.) 4433.764 – 2211.993 – 1133.667 + 3377.442 = ?
	a) 4466		b) 4520
	c) 4687		d) 4895

Q.4	What will come in place of question mark (?) in the following equation? (approx.) 1599 × 199 ÷ 49 – 1398 + 3877 = ?
	a) 9000		b) 9500
	c) 10000		d) 10500

Q.5	Simplify the expression: (−5 + 72) [3 − (−6)3] + (−11 − 2)(8 − 12).
	a) 1125		b) 1248
	c) 1459		d) 1585

Q.6	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

Q.7	What is the value of 7√6 x 5√24?
	a) 420		b) 240
	c) 360		d) 430

Q.8	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.9	In the adjoining figure, find the value of semi perimeter for ∆ABD and ∆BCD .
	a) 35 m		b) 38 m
	c) 30 m		d) 40 m

Q.10	Find the radius of the largest right circular cone that can be cut out of a cube whose edge is 9 cm.
	a) 4.5 cm		b) 2.5 cm
	c) 5.5 cm		d) 3.5 cm

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