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, 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

Q.2	$600 are invested at 5% simple interest p.a. In how much time will it double itself ?
	a) 20 year		b) 24 years
	c) 22 years		d) 25 years

Q.3	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.4	In the figure, ∠AOB = 140o. Find ∠ADB.
	a) 110o		b) 125o
	c) 130o		d) 120o

Q.5	Factorise: m - 1 - (m - 1)2 + ax - a
	a) (2 - x + a)(2x + 1)		b) (2 - x + a)(2x - 1)
	c) (2 - x + a)(x - 1)		d) (2 - x + a)(x + 1)

Q.6	Factorise: x3 - x2 - mx - m + x - 1
	a) (x - 1)(x2 + a + 1)		b) (x - 1)(x2 - a + 1)
	c) (x - 1)(x2 + a - 1)		d) (x + 1)(x2 + a + 1)

Q.7	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.8	What will come in place of question mark (?) in the following number series? 1, 3, 6, 10, 15, ?
	a) 17		b) 19
	c) 21		d) 23

Q.9	Which number is divisible by 19? 650864, 345645, 2753533, 887773
	a) 887773		b) 2753533
	c) 345645		d) 650864

Q.10	Simplify: 3/5th of 24% of 500 - 32 = ?
	a) 20		b) 30
	c) 50		d) 40

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