Take mental calculation skills to the next level with the CREST Mental Maths Olympiad Sample Paper for Class 9. Crafted to support high school students, this sample paper encourages analytical thinking and speed-based problem-solving.
What's Inside the Class 9 CREST Mental Maths Sample Paper?
Challenging problems from topics like Number System, Data Handling, and Geometry etc.
Time-bound questions to build speed and precision under exam conditions
Strictly follows the Class 9 CREST Mental Maths Olympiad exam structure
Download the Class 9 CREST Mental Maths Olympiad Sample Paper PDF and get a head start on scoring high in competitive maths assessments.
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Syllabus:
Number System
Sample Paper
Marking Scheme
Free Study Material
Sample Questions
Q.1
A bicycle wheel makes 10 revolutions in moving 880 m. Find the diameter of the wheel. (π = 22/7)
a) 32 cm
b) 36 cm
c) 40 cm
d) 28 cm
Q.2
A single discount, equivalent to a successive discount of 40% and 30% is:
a) 37%
b) 58%
c) 52%
d) 38%
Q.3
Three metal cubes with edges 6 cm, 8 cm and 10 cm respectively are melted together and formed into a single cube. Find the side of the resulting cube.
a) 11 cm
b) 12 cm
c) 15 cm
d) 17 cm
Q.4
If in each number, first and the last digits are interchanged, which of the following will be the highest number?
147 831 389 425 598
a) 425
b) 598
c) 831
d) 389
Q.5
How many such vowels are there in the below arrangement each of which is immediately preceded by a consonant and immediately followed by a number?
P % R 1 5 H * M T E 3 B $ V N 4 K A 8 W I 6 2 G # U H 7 J Q 11 L Y
a) 2
b) 3
c) 1
d) 4
Q.6
The mean of 11 observations is 50. If the mean of first Six observations is 49 and that of last six observations is 52, then find sixth observation.
a) 56
b) 58
c) 60
d) 62
Q.7
Factorise: x4 - 2x2 y2 + y4
a) (y)(x + y)(x + y)(2x)
b) (2x + y)(x - y)(x + y)(2x)
c) (2x + y)(x + y)(x - y)(2x - y)
d) (x - y)(x + y)(x - y)(x + y)
Q.8
The base radius of a cylinder is 20 cm and its height is 10 cm. Find its curved surface area in cm2 .
a) 1180 cm2
b) 1280 cm2
c) 1260 cm2
d) 1200 cm2
Q.9
A shopkeeper marks his goods 20% above C.P. but allows a 30% discount for cash. What is his net loss?
a) 20%
b) 17%
c) 13%
d) 16%
Q.10
What are the two roots of the equation (x + 4) (x – 5) = 0?
a) 4, 5
b) 6, 4
c) -4, 5
d) -6, 4
Your Score: 0 /10
Answers to Sample Questions from CREST Olympiads:
Q.1 d Q.2 b Q.3 b Q.4 d Q.5 b Q.6 a Q.7 d Q.8 c Q.9 d Q.10 c
Answers to Sample Questions from CREST Olympiads:
Q.1 : d | Q.2 : b | Q.3 : b | Q.4 : d | Q.5 : b | Q.6 : a | Q.7 : d | Q.8 : c | Q.9 : d | Q.10 : c
