class 8.maths see 2021-22

Page 1 of 3 KENDRIYA VIDYALAYA BHANJANAGAR SESSION ENDING EXAMINATION(2021-22) CLASS- VIII (MATHEMATICS ) TIME: 1 hours Total Marks:24 ………………………………………………………………………………………........................ General Instruction: (i) All the questions are compulsory. (ii) The question paper consists of 25 questions divided into 4 sections A, B, C, & D choice provided in each section. (iii) Section A Consists 1 to 16 questions provided in Google form in 30 minutes (iv) This question paper contains 3 printed pages. SECTION – A ( Google form) ( 16 marks) (a). 1 to 16 are provided In Google form mark s each one carries 1 mark SECTION-B (4 marks) (b)Examine the graph and answer the following questions:. 4×1 =4 17. The following graph shows the temperature of a patient in a hospital, recorded every hour

Page 2 of 3 (a) What was the patient’s temperature at 1 pm? (b) When was the patient’s temperature 38.5°C? (c) The patient’s temperature was the same two times during the period given. What were the two times? (d) What was the temperature at 1:30 pm? How did you arrive at your answer? SECTION-C ( 12 Marks) (c)Questions 18 to 22carry 3mark each. Do any FOUR of following 4×3 =12 18 .Suppose 2 kg of sugar contains 9 × 10⁶ crystals. How many sugar crystals are there in (a) 5 kg of sugar? (b) 1.2 kg of sugar? 19..A cuboid is of dimensions 60 cm × 54 cm × 30 cm. How many small cubes with side 6 cm can be placed in the given cuboid? 20. If 31z5 is a multiple of 3, where z is a digit, what might be the values of z? 21.State whether True or False. Correct that are false .(a) A point whose x coordinate is zero and y-coordinate is non-zero will lie on the y-axis. (b)A point whose y coordinate is zero and x-coordinate is 5 will lie on y-axis .(c))The coordinates of the originate (0, 0). 22.Factories the following polynomials. (a) 16x²– 81 (b) (a – b)²+ 4ab SECTION-D ( 8 Marks) (d) Questions 23 to 25carry 4 mark each. Do any TWO of following 4×2 =8 23 .Diameter of cylinder A is 7 cm, and the height is 14 cm. Diameter of cylinder B is 14 cm and height is 7 cm. Without doing any calculations can you suggest whose volume is greater?

Page 3 of 3 Verify it by finding the volume of both the cylinders. Check whether the cylinder with greater volume also has greater surface area? 24. Draw the graphs for the following tables of values, with suitable scales on the axes Interest on deposits for a year. (a)Does the graph pass through the origin? (b)Use the graph to find the interest on ` Rs2500 for a year .(c))To get an interest of ` Rs 280 per year, how much money should be deposited? 25. Divide as directed: a)4yz(z² + 6z – 16) ÷ 2y(z + 8) b) Divide 44(x⁴ – 5x³ – 24x²) by 11x (x – 8). ……….END………