#ImportantMathQuestionsforClass8AnnualExam2024

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Special model test for class 8 : Annual exam 2024

Special model test for class 8 : Annual exam 2024

  Class 8 Math Annual Exam 2024,Class 8 Math Model Test 2024,Special Model Test for Class 8 Math,Annual Math Model Question Paper for Class 8 2024,Class 8 Math Preparation for Annual Exam 2024,Annual Math Exam Model for Class 8,Class 8 Math Model Questions 2024,Class 8 Math for Annual Exam 2024,Special Model Test for Class 8 Math Annual Exam 2024,Complete Preparation for Class 8 Math Annual Exam 2024,Question Paper for Class 8 Annual Math Exam 2024,Model Questions for Class 8 Math Annual Exam 2024,Important Math Questions for Class 8 Annual Exam 2024,Complete Model Test for Class 8 Math Exam 2024,Model Question Paper for Class 8 Math Annual Exam 2024,Best Model Test for Class 8 Annual Math Exam 2024 Mathematics Time:3 Hours      Class: 8    Full Marks: 100 Section A: Objective (25 Marks) Multiple Choice Questions(Write the correct answer on the answer sheet) 1 × 15 = 15 1. How many dimensions does a solid object have? (a) 4 (b) 3 (c) 2 (d) 5 2. Which of the following is a binomial algebraic expression? (a) xy (b) 3x + 2 (c) x (d) 2x × 3y **Based on the following scenario, answer questions 3 and 4:** The purchase price of each dozen eggs is 40 taka, and the selling price is 44 taka. 3. What is the purchase price of 12 eggs? (a) 120 taka (b) 124 taka (c) 128 taka (d) 132 taka 4. What is the selling price of 12 eggs? (a) 120 taka (b) 124 taka (c) 128 taka (d) 132 taka 5. What is the simple interest on 200 taka for 1 year at a 5% interest rate? (a) 5 taka (b) 10 taka (c) 50 taka (d) 100 taka 6. What is the ordinate of point P(5, 4)? (a) 9 (b) 4 (c) 2 (d) 7. If the difference in abscissas of two points is 4 and the difference in ordinates is 6, what is the distance between the two points? (a) 10 units (b) units (c) units (d) 2 units 8. What is the abscissa of the midpoint between points (−4, 0) and (6, 0)? (a) 1 (b) 2 (c) 12 (d) −5 9. The angle inscribed in a semicircle is - (a) Complementary angle (b) Obtuse angle (c) Acute angle (d) Reflex angle 10. If an inscribed angle in a circle subtends an arc measuring 45°, what is the measure of the central angle subtending the same arc? (a) 45° (b) 60° (c) 180° (d) 90° Special model test for class 8 : Annual exam 2024 part    11. Which symbol is used to indicate the absence of electricity in electronic devices? (a) 0 (b) OFF (c) 1 (d) ON 12. In which number system is a digit referred to as a "bit"? (a) Decimal (b) Binary (c) Octal (d) Hexadecimal 13. How many types of data are used in statistics? (a) 2 (b) 3 (c) 4 (d) 5 14. What is the median of the data set 2, 5, 8, 11, 16, 20, 23? (a) 2 (b) 11 (c) 16 (d) 25 15. Cumulative frequency is needed for - i. Finding the mode ii. Finding the median iii. Drawing an ogive Which of the following is correct? (a) i and ii (b) i and iii (c) ii and iii (d) i, ii, and iii Answer in one word: 1 × 10 = 10 16. Which additional dimension is added in a three-dimensional object? 17. What is a quantity with two terms called? 18. What is the interest on 3000 taka at a 7% rate for 6 years? 19. What is the new principal called at the end of a specified period? 20. What is another name for Cartesian coordinates? 21. What is the distance between the points (3,4) and (9,7)? 22. How many angles can be inscribed on a circular arc? 23. How many digits are there in the binary number system? 24. What is the English term for "গণসংখ্যা বহুভুজ"? 25. What is each abscissa of a frequency polygon called? Section B: Short and Descriptive (75 Marks) 1. Answer the following questions: 2 × 13 = 26 (a) Use the formula for the cube of a binomial expression to find the value of . (b) Find the HCF of the cubes of 35 and 50. (c) Johnny deposited 50,000 taka in a bank. At an interest rate of 7.5%, how many years will it take for Johnny to earn 300,000 taka as interest? (d) What should the initial principal be if, at a rate of 13%, the compound principal after 5 years is 20,000 taka? (e) At an annual interest rate of 8%, in how many years will the interest on 10,000 taka amount to 4,800 taka? (f) Find the equation of the straight line passing through the points (3, 4) and (2, -3). (g) Are the three points A(−2, −1), B(5, 6), and C(3, 4) collinear? (h) Find the length of chord AB.

(i) Find the value of x.

(j) Convert the binary number 101100 to a decimal number. (k) What is the base of a number system? What is the base of the binary number system, and why? (l) Below is a table of 50 boxes: Number of Mangoes 51-53 54-56 57-59 60-62 63-65 Number of Boxes 6 14 16 9 5 Calculate the average number of mangoes per box. (m) The daily travel expenses of 20 families are given below: 257, 152, 358, 425, 192, 283, 170, 326, 252, 246, 228, 340, 375, 400, 327, 290, 260, 310, 350, 268 Find the average of the given data using the direct method. Descriptive Questions (Scenario-Based): Answer any 7 out of 10 questions. Each question carries 7 marks. 7 × 7 = 49 2.

Diagram 1 shows a rectangular solid whose length is 1 meter more than its width but 5 meters less than its height, and Diagram 2 shows a cube. (a) Express the length, width, and height of Diagram 1 in terms of algebraic expressions. (2) (b) Find the volume of Diagram 1. (2) (c) If the volume of Diagram 1 is equal to the volume of Diagram 2, find the length of each side of Diagram 2 when the width of Diagram 1 is 4 meters. (3) 3. Observe the following algebraic expressions: i) 2pq - p + b ii) iii) (a) Find the cube of expression (i). (3) (b) Factorize expressions (ii) and (iii). (4) 4. Shipra Barua deposited 3,000 taka in a bank and received 3,600 taka with interest after 2 years. (a) Find the rate of simple interest. (3) (b) If the 3,000 taka is deposited at the same rate as compound interest, what will be the compound amount after 2 years? (4) 5. Mr. Rafique deposited 3,000 taka in a bank and received 3,600 taka with interest after 2 years. (a) What is the rate of simple interest? (3) (b) If the same amount were deposited with compound interest, what would the compound amount be after 2 years? (4) 6. A(−2, 0), B(5, 0), and C(1, 4) are the vertices of ∆ABC. (a) Find the lengths of sides AB, BC, CA, and the perimeter of ∆ABC. (4) (b) Calculate the area of the triangle. (3) 7. The four vertices of a quadrilateral are A(0, −1), B(−2, 3), C(6, 7), and D(8, 3). (a) Find the equation of line BC. (3) (b) Show that these points form a rectangle. (4) 8.

(a) Find the value of x. (3) (b) Calculate the area of the sector BOC. (Radius of the circle, r = 7). (4) 9. Sohel Sir comes to class and asks Rohan and Sakib, "How much did you score in math?" Sakib replies that he scored , and Rohan says he scored . (a) Convert the difference between Sakib's and Rohan's scores to decimal. (3) (b) Find the 9's complement of Sakib's and Rohan's scores relative to 999. Using the concept of complements, subtract Rohan's score from Sakib's. (4) 10. The heights (in centimeters) of 40 students in the eighth grade are as follows: 90, 140, 97, 125, 97, 134, 97, 97, 110, 125, 110, 134, 110, 125, 110, 140, 125, 134, 125, 125, 134, 110, 125, 97, 125, 110, 125, 97, 134, 125, 110, 134, 125, 134, 90, 140, 148, 148, 110, 125 (a) Arrange the data in ascending order. (2) (b) Arrange the data in descending order. (2) (c) Calculate the average height of the students. (3) 11. The frequency distribution table of weights of 70 students is given below: Class Interval 45-49 50-54 55-59 60-64 65-69 70-74 Frequency 4 8 10 20 12 16 (a) Construct a cumulative frequency table. (1) (b) Calculate the median. (3) (c) Find the mode. (3) Read the full article