CREST Mental Maths Olympiad Class 12 Previous Year Papers

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

Q.1

Q.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	30 men can plant 60 trees in 5 hours. If 5 men leave the job, how many trees will be planted in 10 hours?
	a) 134		b) 100
	c) 145		d) 97

Q.2	Find the area of the shaded portion.
	a) 235 cm2		b) 230 cm2
	c) 231 cm2		d) 238 cm2

Q.3	In the adjoining figure, find the value of semi perimeter for ∆ABD and ∆BCD .
	a) 35 m		b) 38 m
	c) 30 m		d) 40 m

Q.4	What will come in place of question mark (?) in the number series? 6, 11, 21, 36, 56, ?
	a) 42		b) 51
	c) 81		d) 24

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

Q.6	What will come in place of question mark (?) in the following equation? (approx.) 1599 × 199 ÷ 49 – 1398 + 3877 = ?
	a) 9000		b) 9500
	c) 10000		d) 10500

Q.7	Simplify:
	a)		b)
	c)		d)

Q.8	In the figure, if OP is the bisector of ∠AOC and OQ is the bisector of ∠BOC, then find ∠POQ.
	a) 65o		b) 75o
	c) 80o		d) 90o

Q.9	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.10	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

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