CREST Mental Maths Olympiad Class 12 Previous Year Paper

Aiming for a top score in the CREST Mental Maths Olympiad Class 12? Practising previous year question papers is a powerful way to refine problem-solving techniques and build confidence before the exam.

What Makes Past Papers Helpful?

• Covers topics such as Number System, Algebra and Geometry etc.
• Enhances speed, accuracy, and logical reasoning-crucial for tackling high-level mental maths questions.
• Gives students exposure to real exam patterns and question styles.

Download the Class 12 CREST Mental Maths Olympiad Previous Year Paper PDF and give your child the practice boost they need to succeed!

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Syllabus:

Number System
Algebra
Comparing Quantities
Geometry
Mensuration
Playing with Numbers
Data Handling

Sample Paper Marking Scheme Free Study Material

Previous Year 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	Simplify:
	a)		b)
	c)		d)

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	Which number is divisible by 17? 123445, 133365, 32376, 245346
	a) 32376		b) 123445
	c) 133365		d) 245346

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	A man can row at 24 km/hr in still water. It takes him thrice as long to row up as to row down the river. Find the rate of stream.
	a) 14 km/h		b) 23 km/h
	c) 12 km/h		d) 18 km/h

Q.7	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.8	What will be the volume of a cylindrical tank whose radius is 7 cm and height is 5 cm?
	a) 270 cm3		b) 370 cm3
	c) 570 cm3		d) 770 cm3

Q.9	The average age of 30 girls is 13 years. The average of first 18 girls is 15 years. Find out the average age of remaining 12 girls.
	a) 10 years		b) 12 years
	c) 14 years		d) 13 years

Q.10	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)

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