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

Five years ago, the average age of P and Q was 15 years. Now, the average age of P, Q and R is 20 years. What would be the age of R after 10 years?

Q.2

In the figure given below, find the area of the parallelogram.



Q.3

An observer 1.5 m tall is 37.5 m away from a chimney. The angle of elevation of the top of the chimney from her eyes is 45o. What is the height of the chimney?

Q.4

Find two values of x which satisfy the quadratic equation x² – 64 = 0?

Q.5

A boat can cover 48 km downstream in 3 h. It can cover a 40 km upstream in 4 h. What is the speed of the boat in still water (in km/h)?

Q.6

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.7

What is the measure of the angle if its supplementary angle measures 98o?

Q.8

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

Q.9

A man travelled a certain distance by train at a rate of 15 km/h and walked back at the rate of 12 km/h. The whole journey took 9 hours. Find the distance he travelled.

Q.10

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

Your Score: 0/10

Answers to Sample Questions from CREST Olympiads:

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

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