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Posted Date: 25 Apr 2013 Posted By:: Nishant Thapliyal Member Level: Gold Points: 5 (₹ 3)

2012 CBSE Class 9th Mathematics sample question paper_15 Question paper
Course: 

University/board: CBSE 
This is the sample paper of mathematics of class 9th strictly follows the pattern of Central Board of Secondary Education(CBSE). Here the percentage of difficult questions is less as compare to average and easy questions. Most of the questions are directly from NCERT book and to solve this sample paper you must have solved you mathematics NCERT book thoroughly so that you can solve the questions easily. Question paper is below and you can take the print out of this paper easily. Marks are also available in general instructions so that you can know that which question contains more marks. Please follows the general instructions so that it can be easy for you to solve the question paper. Still you are not able to solve some questions then there is no need to worry as these questions are from your NCERT book and 23 questions are from R.D.Sharma so find your solutions there. There are 3 sections in which section A is of 1 marks, Section B is of 4 marks and section C is of 6 marks questions.
Sample Paper – 2012 Class – IX Subject  Mathematics Surface area
Answer the following questions:
[Section (A)] 5 x 1 =5
1. Find the curved surface area of a cone having slant height 10 cm and circumference of base is 44 cm. 2. Find the total surface area of a sphere having diameter 14 cm.
3. Three cubes each of side 5 cm are joined end to end. Find the surface area of the resulting cuboids. 4. A rectangular sheet of paper 44 cm x 18 cm is rolled out along its length and a cylinder is formed. Find the radius of the cylinder formed.
5. the inner diameter of the well is 3.5 m and 10 m deep find: (i) Inner curved area
[Section (B)] 5 x 2 = 10
6. A hemispherical bowl made of brass has inner diameter 10.5 cm. find the cost of tin painting it on the inside at the rate of Rs 16 per 100 cm square.
7. The height of a cone is 16 cm and its base radius is 12 cms.find the curved and total surface area of the cone. Use, p = 3.14.
8. Find the lateral surface area of a closed cylindrical patrol storage tank that is 4.2 m in diameter and 4.5 m high.
9. The radius and slant height of a cone are in the ratio 4:7. If its curved surface area of this cone is 792 cm2. Find its radius. ( use = 22/7)
10. The diameter of the moon is one third of the earth. Find out the ratio of the surface area of the moon and earth.
[Section (C)] 2 x 5 = 10
11. A wooden toy in the form of cone surmounted on a hemisphere. The diameter of the base of the cone is 6 cm and height is 4 cm. find the cost of painting the toy at the rate of Rs 5 per 1000 cm2
12. A heap of wheat is in the form of a cone whose diameter is 10.5 m and height is 3 m. The heap is to be covered by canvas to protect it from rain. Find the area of the canvas required. Or A storage tank consists of circular cylinder with a hemisphere adjoined on either end. If the external diameter of the cylinder is 1.4 m and its length be 8 m. find the cost of painting it on the outside at the rate of Rs. 10 per m2.
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