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	In the figure, ∠AOB = 140o. Find ∠ADB.
	a) 110o		b) 125o
	c) 130o		d) 120o

Q.2	A coin is tossed 500 times with following frequencies :- Head - 245, Tail - 255. What is the probability of getting head?
	a) 44/100		b) 42/100
	c) 47/100		d) 49/100

Q.3	Factorise: x4 + x2y2 + y4
	a) (x2 + y2)2 - x2y2		b) (x2 - y2)2 - x2y2
	c) (x2 - y2)2 - xy2		d) (x2 - y2)2 - x2y

Q.4	Which number is divisible by 14? 57248, 124556, 89534, 484176
	a) 89534		b) 124556
	c) 484176		d) 57248

Q.5	If a sphere of diameter 12 cm is melted and drawn into a wire of diameter 0.2 cm, find the length of the wire.
	a) 256 m		b) 288 m
	c) 264 m		d) 225 m

Q.6	What is simple interest of $1800 on 2% per annum for 2 years?
	a) $72		b) $78
	c) $64		d) $76

Q.7	Which number is divisible by 19? 650864, 345645, 2753533, 887773
	a) 887773		b) 2753533
	c) 345645		d) 650864

Q.8	Consider the given data of an examination with three subjects. How many candidates failed in all the subjects? a.  Candidates appeared 100 b.  Candidates passed in all the three subjects 460 c.  Candidates passed in two subjects only 280 d.  Candidates passed in one subject only 240 e.  Candidates failed in Physics only 80 f.  Candidates failed in Chemistry only 60 g.  Candidates failed in Maths only 140
	a) 30		b) 20
	c) 40		d) 10

Q.9	Convert this recurring fraction to decimal:
	a) 1.272727		b) 1.27
	c) 1.2727……		d) 1.272

Q.10	Simplify: (6990 ÷ 15) × (468 ÷ 18) = ?
	a) 12161		b) 12116
	c) 14000		d) 13342

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