9 Maths Question Paper 2018: Questions & Answers

This article provides a comprehensive set of questions and answers from the 2018 mathematics exam paper. It aims to support students in their preparation by covering a wide range of topics typically tested in the exam. The format ensures clarity, making it easy to understand key concepts.

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Question and Answer Set

Question 1
What is the square root of 144?

Answer
The square root of 144 is 12.

Question 2
Solve for x: 5x + 3 = 18.

Answer
x = 3.

Question 3
What is the value of pi to two decimal places?

Answer
The value of pi to two decimal places is 3.14.

Question 4
Find the area of a triangle with a base of 10 cm and height of 5 cm.

Answer
The area of the triangle is 25 cm².

Question 5
If the angles of a triangle are 45°, 45°, and 90°, what type of triangle is it?

Answer
It is an isosceles right triangle.

Question 6
What is the perimeter of a rectangle with length 8 cm and width 3 cm?

Answer
The perimeter of the rectangle is 22 cm.

Question 7
Find the value of 4^3.

Answer
4^3 equals 64.

Question 8
What is the equation of a straight line with a slope of 2 and a y-intercept of -3?

Answer
The equation of the line is y = 2x – 3.

Question 9
What is the LCM of 12 and 18?

Answer
The least common multiple (LCM) of 12 and 18 is 36.

Question 10
Find the solution for the equation 3x – 7 = 11.

Answer
x = 6.

Question 11
Simplify: 3/4 + 2/3.

Answer
The simplified result is 17/12.

Question 12
What is the value of 5 factorial (5!)?

Answer
5! equals 120.

Question 13
If a circle has a radius of 7 cm, what is its area?

Answer
The area of the circle is 154 cm² (using π = 3.14).

Question 14
Solve for y: 2y – 5 = 15.

Answer
y = 10.

Question 15
What is the volume of a cube with side length 4 cm?

Answer
The volume of the cube is 64 cm³.

Question 16
What is the distance formula between two points (x₁, y₁) and (x₂, y₂)?

Answer
The distance formula is √((x₂ – x₁)² + (y₂ – y₁)²).

Question 17
Simplify the expression: 6x – 3x + 4.

Answer
The simplified expression is 3x + 4.

Question 18
What is the area of a circle with a diameter of 10 cm?

Answer
The area of the circle is 78.5 cm² (using π = 3.14).

Question 19
Find the slope of the line passing through the points (2, 3) and (4, 7).

Answer
The slope of the line is 2.

Question 20
How many degrees are there in a straight angle?

Answer
A straight angle measures 180°.

The above set of questions and answers from the 2018 maths exam provides valuable practice and clarification on core mathematical concepts. These exercises are ideal for preparing for various types of exam questions, helping students feel more confident during their math assessments