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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

What is the product of Zero’s of polynomials (x + 8) (x − 10)?

Q.2

A starts a business with $24,000 and later B joins him with $48,000. After how many months did B join if the profit is distributed in an equal ratio?

Q.3

What is the value of x, if the median of the following data is 27.5?
              24, 25, 26, x + 2, x + 3, 30, 33, 37

Q.4

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

Q.5

Study the following table to answer the given question?
In City E, the number of Specialist officer is approximately what percent of that officer?

Center/Post Officer Clerk Field Officer Supervisor Specialist
City A 2000 5000 50 2050 750
City B 15000 17000 160 11000 750
City C 17000 19500 70 7000 900
City D 3500 20000 300 90000 1150
City E 14900 17650 70 1300 1200
City F 11360 15300 30 1500 650
City G 9000 11000 95 1650 500

Q.6

In the given figure, PQRS is a rectangle. Find PR + QS.

Q.7

From the top of a 5 m high building, the angle of elevation of the top of a cable tower is 60° and the angle of depression of its foot is 45°. Determine the height of the tower.

Q.8

In the given figure, PQ = PR = PS. Find ∠QRS.

Q.9

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

Q.10

ΔABC and ΔDEC are the right triangles with ∠B = ∠E = 90°, find BE.

Your Score: 0/10

Answers to Sample Questions from CREST Olympiads:

Q.1aQ.2cQ.3bQ.4aQ.5aQ.6bQ.7dQ.8bQ.9cQ.10d

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:

  1. 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.
  2. Solving Mental Maths problems help candidates develop better time management skills.
  3. 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 : a | Q.2 : c | Q.3 : b | Q.4 : a | Q.5 : a | Q.6 : b | Q.7 : d | Q.8 : b | Q.9 : c | Q.10 : d

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