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 ABC, AB = AC. ∠DBC = ∠DCB = 40o. Find x.
	a) 125o		b) 130o
	c) 135o		d) 140o

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

Q.3	Simplify: 17/29 x 8/102 x 48/27 x 3/2 = ?
	a) 36/244		b) 46/212
	c) 32/261		d) 35/265

Q.4	After 10 years, the age of a father will be twice that of his son. Five years ago, he was 5 times as old as his son. What is the age of father?
	a) 28 years		b) 30 years
	c) 32 years		d) 25 years

Q.5	What is the quadratic equations whose roots are 3 and 4?
	a) x² – 7x + 12 = 0		b) x² – 3x + 4 = 0
	c) x² – 6x + 9 = 0		d) x² – 2x - 8 = 0

Q.6	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.7	Study the bar graph carefully to answer the following question: Find out the difference between the total rainfall in July 2018 and 2022 together and the total rainfall in august 2019 and 2020 together.
	a) 48 mm		b) 44 mm
	c) 40 mm		d) 46 mm

Q.8	Observe the graph below and answer the question. What is the average of Diesel prices over the years 2020–2022?
	a) 52.5		b) 54.09
	c) 58.8		d) 57.25

Q.9	What will come in place of question mark (?) in the diagram?
	a) 135		b) 154
	c) 144		d) 125

Q.10	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

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