Grade 8 PT1 Mathematics Exam Paper 2024-2025 PDF

NORTH DELHI PUBLIC SCHOOL PT-1 EXAMINATION (2024-25) CLASS - 8 SUBJECT: MATHEMATICS Maximum Marks: 20 Time: 40 minutes Section -A Q1 Four - f...

NORTH DELHI PUBLIC SCHOOL PT-1 EXAMINATION (2024-25) CLASS - 8 SUBJECT: MATHEMATICS Maximum Marks: 20 Time: 40 minutes Section -A Q1 Four - fifths of a number is 10 more than two- third of the number. Find the number. 1 a. 57 b. 75 c. -57 d. -75 Q.2 I have 3 faces and no corners. Who am I? 1 a. Cone b. Cylinder c. Square pyramid d. Prism Direction: In the question numbers 3 and 4, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option: (a) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A). (b) Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation 1 of Assertion (A). (c) Assertion (A) is true but Reason (R) is false. (d) Assertion (A) is false but Reason (R) is true. Assertion (A): An equation with degree 1 is called the linear equation. Q3 Reason (R): 2x + 3y + 4 is the linear equation in one variable. Q4 Assertion (A): Cuboid is a regular polyhedron. 1 Reason (R): A polyhedron is a regular polyhedron if all its faces are congruent regular polygonal faces. CASE STUDY: Nandan has a pen drive with storage capacity of 64 GB. He has used one-fourth of this capacity for storing his study material and one-eighth for storage of songs. He has also used, 24 GB of it for storage of educational videos. Answer the following questions. Q5 How much storage is used for study material? 1 a. 16 GB b. 20 GB c. 18 GB d. 10 GB Q6 1 GB = 1024 MB. The number of MB in 64 GB is _____MB. 1 a. 65536 b. 60565 c. 655767 d. none of these Q7 How much storage is used for songs? 1 a. 9 GB b. 8 GB c. 10 GB d. 4 GB Q8 A 3.2 GB file takes 3 minutes to upload. The time taken by 12.8 GB file to upload is _____ 1 a. 10 min b. 12 min c. 14 min d. none of these Section -B Q9 (i) Using Euler’s formula, find the missing: Faces = ____, Vertices = _____, Edges = _____. 1x2=2 a. 8 b. 6 c. 5 d. 4 (ii) Square Prism is also called as _____. a. Cuboid b. cube c. square d. none Q10 (i) Solve for x: 5x - 8 = 2x + 7 1x2=2 a. 7 b. 8 c. 3 d. 5 (ii) The sum of the four consecutive even whole numbers is 36. Find the smallest and the largest even number out of them. a. 6, 12 b, 14, 6 c. 6, 20 d. none of these Section -C Q11 Verify the following and name the property used. 2x2=4 3 5 7 3 5 3 7 X( + )= X + X 2 3 4 2 3 2 4 Q12 A steamer goes downstream and covers the distance between two ports in 5 hours while it 2x2=4 covers the same distance upstream in 6 hours. If the speed of the stream is 1 km/hr, find the speed of the steamer in still water.