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

Q.2	Convert this recurring fraction to decimal:
	a) 1.272727		b) 1.27
	c) 1.2727……		d) 1.272

Q.3	Evaluate: (1331 ÷ 121) + 25
	a) 43		b) 45
	c) 47		d) 49

Q.4	What is the diameter of a circle with an area of 121π?
	a) 18 units		b) 22 units
	c) 20 units		d) 24 units

Q.5	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.6	If the speed of a swimmer in still water is 9 km/h. Find the downstream speed of the swimmer, when the river is flowing at the speed of 6 km/h.
	a) 15 km/h		b) 16 km/h
	c) 17 km/h		d) 18 km/h

Q.7	Convert the recurring decimals to fractions:
	a) 8/9		b) 2/9
	c) 3/9		d) 88/9

Q.8	A train 300 m long crosses a pole in 15 s. Find the time taken by the train to cross a platform of length 180 m (in seconds).
	a) 22		b) 20
	c) 23		d) 24

Q.9	Find the mean of the data given below: 10, 5, 13, 4, 9, 12, 11 and 24
	a) 7		b) 9
	c) 11		d) 13

Q.10	In the figure, two men are on the opposite sides of a tower. If the height of the tower is 60 m. Find the distance between them.
	a) 60 + 60√3		b) 70 + 60√3
	c) 80 + 60√3		d) 50 + 60√3

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