1. Heron's formula is used to find the area of a triangle given: a) Its height and base b) The three angles c) The three side lengths d) Its altitude and median Click to View Answer and Explanation Answer: c) The three side lengths Explanation: Heron's formula calculates the area of a triangle when all […]
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1. To bisect an angle using a ruler and compass, you should draw: a) An arc with the angle's vertex as the center b) A circle with the angle's vertex as the center c) A straight line from the angle's vertex d) Two arcs from the sides of the angle intersecting each other Click to
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1. The radius of a circle is: a) The longest chord b) Half the diameter c) Tangent to the circle d) A line joining the center to any point on the circle Click to View Answer and Explanation Answer: d) A line joining the center to any point on the circle Explanation: Radius is a
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1. The area of a parallelogram is the product of its: a) Base and height b) Diagonals c) Adjacent sides d) Perimeter Click to View Answer and Explanation Answer: a) Base and height Explanation: Area of a parallelogram = Base x Height. 2. Triangles on the same base and between the same parallels have: a)
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1. How many angles does a quadrilateral have? a) 2 b) 3 c) 4 d) 5 Click to View Answer and Explanation Answer: c) 4 Explanation: By definition, a quadrilateral is a polygon with four angles. 2. The sum of the angles of a quadrilateral is: a) 180° b) 270° c) 360° d) 450° Click
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1. Which of the following cannot represent the sides of a triangle? a) 3 cm, 4 cm, 7 cm b) 5 cm, 12 cm, 13 cm c) 6 cm, 8 cm, 10 cm d) 7 cm, 24 cm, 25 cm Click to View Answer and Explanation Answer: a) 3 cm, 4 cm, 7 cm Explanation:
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1. If two parallel lines are intersected by a transversal, then the alternate interior angles are: a) Complementary b) Supplementary c) Equal d) Unequal Click to View Answer and Explanation Answer: c) Equal Explanation: For two parallel lines cut by a transversal, the alternate interior angles are congruent or equal. 2. An angle that measures
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1. How many postulates did Euclid propose in his book "Elements"? a) 3 b) 4 c) 5 d) 6 Click to View Answer and Explanation Answer: c) 5 Explanation: Euclid proposed five postulates in his book "Elements" that form the foundation of geometry. 2. A terminal point which does not extend is called: a) Line
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1. The general form of a linear equation in two variables is: a) ax + by + c = 0 b) ax + by = c c) ax^2 + by^2 = c d) ax – by = 0 Click to View Answer and Explanation Answer: a) ax + by + c = 0 Explanation: A
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1. Which quadrant does the point (-3, 4) lie in? a) I b) II c) III d) IV Click to View Answer and Explanation Answer: b) II Explanation: In the II quadrant, x is negative and y is positive. 2. The coordinates of the origin are: a) (1,1) b) (0,1) c) (1,0) d) (0,0) Click
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1. What is the degree of the polynomial 3x^4 – 5x^3 + 7? a) 1 b) 3 c) 4 d) 7 Click to View Answer and Explanation Answer: c) 4 Explanation: The degree of a polynomial is the highest power of its variable. Here, it's 4. 2. What type of polynomial is 5x^2 – 3x
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1. Which of the following is an irrational number? a) 1/7 b) 2.5 c) √2 d) 0.333… Click to View Answer and Explanation Answer: c) √2 Explanation: √2 cannot be expressed as a fraction, making it irrational. 2. Which number is both irrational and rational? a) 0.5 b) 3.14 c) 2.333… d) None of the
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1. Which of the following numbers is divisible by both 2 and 5? a) 45 b) 125 c) 80 d) 33 Click to View Answer and Explanation Answer: c) 80 Explanation: 80 is even (divisible by 2) and ends in 0 (divisible by 5). 2. What is the smallest prime number? a) 0 b) 1
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Factorisation is an essential tool in algebra, allowing us to simplify expressions, solve equations, and better understand the structure of mathematical relationships. In essence, factorisation is the process of “breaking down” an algebraic expression into its most basic parts or “factors.” This simplification helps us manipulate and solve complex algebraic problems. To master this technique,
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1. If x is directly proportional to y, and x is 4 when y is 6, what is x when y is 9? a) 4.5 b) 6 c) 3 d) 9 Click to View Answer and Explanation Answer: b) 6 Explanation: x/y = 4/6. When y = 9, x = (4/6) * 9 = 6.
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1. What is the area of a rectangle with a length of 10 units and a width of 5 units? a) 50 square units b) 15 square units c) 30 square units d) 25 square units Click to View Answer and Explanation Answer: a) 50 square units Explanation: Area of a rectangle = length ×
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1. Which of the following is NOT a solid shape? a) Cube b) Cylinder c) Triangle d) Sphere Click to View Answer and Explanation Answer: c) Triangle Explanation: A triangle is a two-dimensional shape, whereas the others are three-dimensional solid shapes. 2. How many faces does a cube have? a) 4 b) 6 c) 8
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1. Which of the following is a binomial? a) 3x b) x + 2y c) x^2 + 2xy + y^2 d) x^2y Click to View Answer and Explanation Answer: b) x + 2y Explanation: A binomial consists of two terms. In this case, x and 2y. 2. What is the coefficient of x in the
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1. Which term represents an increase in a value? a) Discount b) Loss c) Markup d) Depreciation Click to View Answer and Explanation Answer: c) Markup Explanation: Markup refers to the amount added to the cost price to determine the selling price. 2. If a shirt costs $120 after a 20% discount, what was its
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1. Which of the following numbers is a perfect cube? a) 64 b) 45 c) 35 d) 50 Click to View Answer and Explanation Answer: a) 64 Explanation: 64 is a perfect cube since 4 x 4 x 4 = 64. 2. What is the cube root of 27? a) 2 b) 4 c) 3
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1. What does a bar graph represent? a) Qualitative data b) Continuous data c) Discrete data d) Uncountable data Click to View Answer and Explanation Answer: c) Discrete data Explanation: A bar graph represents discrete data where data can be counted. 2. In a pie chart, the total angle at the center of the circle
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1. Which instrument is used to draw a circle? a) Ruler b) Protractor c) Divider d) Compass Click to View Answer and Explanation Answer: d) Compass Explanation: A compass is used to draw circles and arcs. 2. What is the main purpose of a protractor? a) To draw circles b) To measure angles c) To
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1. Which of the following is NOT a quadrilateral? a) Rectangle b) Pentagon c) Parallelogram d) Trapezium Click to View Answer and Explanation Answer: b) Pentagon Explanation: A pentagon has five sides, while a quadrilateral has four sides. 2. The sum of all interior angles of a quadrilateral is: a) 90° b) 180° c) 270°
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Welcome to Class 8 Maths MCQ – Linear Equations in One Variable. These MCQs (Multiple Choice Questions) are created based on the latest CBSE syllabus offering valuable assistance for exam preparation and testing your knowledge. Each question is complemented by the correct answer and a concise explanation. 1. Which of the following is a linear
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Dive deep into the world of rational numbers with this set of MCQs. Understand the nuanced differences between rational numbers and their counterparts. The questions, designed based on the latest CBSE syllabus and the NCERT curriculum, ensure comprehensive coverage of “Rational Numbers” from Class 8 Maths, making it simpler for students to grasp and apply in real-world scenarios.
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