CREST Mental Maths Olympiad Class 9 Previous Year Papers

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Syllabus:

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

Q.1

Q.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	A single discount, equivalent to a successive discount of 40% and 30% is:

Q.2	An underground water tank is in the shape of cube of side 7 m. What will be its volume?

Q.3	An equilateral triangle is cut up into smaller equilateral triangles with side 1/6 of the original. Find the number of triangles thus formed.

Q.5	What is the number of solid spheres of radius 1/2 cm, which may be formed from a solid sphere of radius 2 cm?

Q.7	Express 3.14 into a mixed fraction.

Q.8	What is the type of angle formed in a Minor segment of a circle?

Q.9	Find curved and total surface area of a conical flask of radius 6 cm and height 8 cm.

Q.10	A coin is tossed once, find the probability of getting 'Head'.

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Answers to Previous Year Questions from CREST Olympiads:

Q.1	b	Q.2	a	Q.3	c	Q.4	c	Q.5	d	Q.6	c	Q.7	c	Q.8	c	Q.9	a	Q.10	d

Answers to Previous Year Questions from CREST Olympiads:

Q.1 : b | Q.2 : a | Q.3 : c | Q.4 : c | Q.5 : d | Q.6 : c | Q.7 : c | Q.8 : c | Q.9 : a | Q.10 : d