CREST Mental Maths Olympiad Class 11 Sample Paper

Advance your mental math capabilities with the CREST Mental Maths Olympiad Sample Paper for Class 11. Designed for senior students, this paper helps refine calculation speed, logic application, and competitive exam readiness.

What's Inside the Class 11 CREST Mental Maths Sample Paper?

• Complex numerical problems covering Number System, Mensuration and Data Handling etc.
• Timed questions to enhance rapid thinking and problem-solving accuracy
• Structured according to the Class 11 Mental Maths Olympiad syllabus

Download the Class 11 CREST Mental Maths Olympiad Sample Paper PDF to prepare efficiently and strengthen core mathematical reasoning skills.

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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	Evaluate: mn - ab(m + n) + a2b2
	a) (n - ab)(m - ab)		b) (2n - ab)(m - 2ab)
	c) (3n + ab)(2m + ab)		d) (n + ab)(5m - 3ab)

Q.2	A bag contains 20 cards numbering 1, 2, 3, . . . . . . . . . . , 20. One card is drawn from the bag. Find the probability that it has a prime number.
	a) 3/5		b) 1/5
	c) 4/5		d) 2/5

Q.3	A cube of side 3 cm is melted and similar cubes of sides 1 cm each are formed. How many such cubes are possible?
	a) 12		b) 27
	c) 13		d) 35

Q.4	The product of Samuel’s age (in years) five years ago and his age (in years) nine years later is 15. Determine Samuel’s present age.
	a) 4		b) 6
	c) 7		d) 3

Q.5	Solve: (36 ÷ 33) x 30
	a) 15		b) 19
	c) 23		d) 27

Q.6	A man sold two watches at $450 each. He sold one at a loss of 15% and the other at a gain of 15%. What is the total loss or gain percentage?
	a) 2.25% profit		b) 15% loss
	c) 2.25% loss		d) 15% profit

Q.7	Find the mode in the data given below:      1,1,7,9,5,4,5,9,5,6,7,2,3,2,4
	a) 1		b) 2
	c) 3		d) 5

Q.8	In the figure, find BC.
	a) 136 cm		b) 130 cm
	c) 145 cm		d) 148 cm

Q.9	Solve: 36 x 61 + 10 - 52
	a) 185		b) 201
	c) 220		d) 243

Q.10	Three cubes of the same metal, whose edges are 6, 8, and 10 cm are melted and formed into a single cube. Find the diagonal of the single cube.
	a) 8√3 cm		b) 7√2 cm
	c) 5√2 cm		d) 12√3 cm

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