Helping your child prepare for the CREST Mental Maths Olympiad Class 9 ? Practising past question papers is a smart way to strengthen mental calculation skills and gain confidence before the exam.
Why Practise Previous Year Papers? Focuses on advanced topics like Number System, Algebra, Comparing Quantities, Playing with Numbers and much more. Improves speed, accuracy, and logical reasoning, crucial for excelling in Olympiads. Familiarises students with the exam format to reduce anxiety and boost performance. Download the Class 9 CREST Mental Maths Olympiad Previous Year Paper PDF and support your child's practice for better results!
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Syllabus:
Number System
Sample Paper
Marking Scheme
Free Study Material
Previous Year Questions
Q.1
What is the decimal representation of 1/3?
a)
b)
c)
d)
Q.2
If the number 87215X6 is completely divisible by 11, then the smallest whole number in place of X.
a) 3
b) 2
c) 5
d) 4
Q.3
Write the decimal expansion of the following number, which has a terminating decimal expansion:
8/5
a) 1.6
b) 1.2657
c) 1.676767…..
d) 1.868686…....
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
If a square is inscribed in a circle, find the ratio of the area of the circle and the square.
a) π : 2
b) π : 1
c) 2 : 1
d) 2 : 5
Q.6
A starts a business with $4000 and B joins him after 3 months with $16000. Find the ratio of their profits at the end of the year.
a) 1 : 1
b) 3 : 7
c) 2 : 5
d) 1 : 3
Q.7
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.8
What are the two roots of the equation (x + 5)² - 36 = 0?
a) 1, -11
b) 2, 15
c) -7, 3
d) 8, -9
Q.9
Factorise:2 - x)2 - 8(x2 - x) + 12
a) (x - 1)(x - 2)(x + 1)(x + 2)
b) (x + 2)(x - 2)(x - 2)(x + 3)
c) (x - 1)(x - 2)(x - 3)(x - 2)
d) (x + 1)(x - 2)(x - 3)(x + 2)
Q.10
What is the coefficient of x² in the polynomial P(x) = 3x³ + 10(x – x²) – 5x² – 2?
a) -14
b) -15
c) -12
d) -19
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