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 + means /, - means +, x means -, and / means x, then 8 / 4 - 6 + 3 x 4 = ?
	a) 26		b) 30
	c) 28		d) 35

Q.2	Find the value of x + y.
	a) 150o		b) 110o
	c) 120o		d) 100o

Q.3	In a 300 m race, Rex beats Max by 60 m or 15 s. How much time A does take to complete the race?
	a) 60 sec		b) 65 sec
	c) 70 sec		d) 75 sec

Q.4	What will come in place of question mark (?) in the number series? 10, 18, 28, 40, 54, 70, ?
	a) 85		b) 86
	c) 87		d) 88

Q.5	Find the area of a triangle whose sides are 50 m, 78 m, 112 m respectively.
	a) 1460 m2		b) 1540 m2
	c) 1080 m2		d) 1680 m2

Q.6	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.7	Solve: (73 + 20) x (35 ÷ 30)
	a) 523		b) 606
	c) 640		d) 680

Q.8	The marked price of a radio is $480. The shopkeeper allows a discount of 10% and gains 8%. If no discount is allowed, find his gain%.
	a) 17%		b) 22%
	c) 20%		d) 25%

Q.9	The runs scored by 9 players of a cricket team are 44, 31, 50, 40, 50, 70, 11, 80 and 56. Find the median score.
	a) 31		b) 40
	c) 44		d) 50

Q.10	The archery target has three concentric circular regions. The diameter of the regions are in the 1 : 2 : 3. What is the ratio of their areas?
	a) 2 : 3 : 4		b) 1 : 2 : 3
	c) 1 : 4 : 9		d) 2 : 5 : 7

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