CREST Mental Maths Olympiad Class 9 Sample Paper

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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	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

Q.2	The graph below shows the profit earned by three companies over the years (in $10 million ) What was the average profit earned by all three companies in the year 2021?

Q.3	Write the decimal expansion of the following number which have terminating decimal expansion: 8/5

Q.4	Which of the following digit will be sixth to the left of tenth from the right end? 1 1 2 5 4 7 2 8 4 5 7 1 9 6 5 2 4 1 4 5 8 2 4 3 9 7 6 9 4 2 9

Q.5	A shopkeeper expects a profit of 50% on his cost price. In a week, his sale was $15000. What was his profit?

Q.6

A class consists of 4 students and the marks obtained by them in Physics, Chemistry, Mathematics are given in the following table.
Study the table carefully and answer the question.
Find the average score in Physics by the students in the class.

Students → Subjects ↓	S₁	S₂	S₃	S₄
Physics	60	50	70	75
Chemistry	70	45	60	80
Mathematics	80	55	55	75

Q.7	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.8	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

Q.9	Find the area of a triangle whose two sides are 16 cm and 12 cm respectively and the perimeter is 42 cm.

Q.10	Angles of a linear pair are in the ratio 8 : 1. What is the degree of measure of both angles?

Your Score: 0/10

Answers to Sample Questions from CREST Olympiads:

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

The above Mental Maths competition sample paper for class 9 may be of great assistance to students preparing for the CREST Mental Maths Olympiad (CMMO).

This page contains a free download option of the Mental Maths competition sample paper for class 9. The questions are also accompanied by an answer key.

The benefits of solving a Mental Maths competition sample papers for class 9 before taking the exam are as follows:

Regular practice of Mental Maths sample problems can help improve one's ability to perform mental calculations quickly and accurately, which can improve performance in the exams.
Solving Mental Maths problems help candidates develop better time management skills.
Students can gain more confidence in their ability to perform quick calculations by solving more Mental Maths problems from the sample papers.

Answers to Sample Questions from CREST Olympiads:

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

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