09
Dec
Class 9 | Chapter 13 | Surface areas and Volumes | Exercise 13.7 | Question 5
Question 5: A conical pit of top diameter 3.5 m is 12 m deep. What is its capacity in kilolitres? Question 4 Question 6
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09
Dec
Class 9 | Chapter 13 | Surface areas and Volumes | Exercise 13.7 | Question 4
Question 4: If the volume of a right circular cone of height 9 cm is 48 π cm3, find the diameter of its base. Question 3 Question 5
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09
Dec
Class 9 | Chapter 13 | Surface areas and Volumes | Exercise 13.7 | Question 3
Question 3: The height of a cone is 15 cm. If its volume is 1570 cm3, find the radius of the base. (Use π = 3.14) Question 2 Question 4
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09
Dec
Class 9 | Chapter 13 | Surface areas and Volumes | Exercise 13.7 | Question 2
Question 2: Find the capacity in litres of a conical vessel with (i) radius 7cm, slant height 25cm (ii) height 12cm, slant height 13cm Question 1 Question 3
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09
Dec
Class 9 | Chapter 13 | Surface areas and Volumes | Exercise 13.7 | Question 1
Question 1: Find the volume of the right circular cone with (i) radius 6cm, height 7cm (ii) radius 3.5cm, height 12cm Ex: 13.6 | Question 8 Question 2
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09
Dec
Class 9 | Chapter 13 | Surface areas and Volumes | Exercise 13.6 | Question 8
Question 8: A patient in a hospital is given soup daily in a cylindrical bowl of diameter 7 cm. If the bowl is filled with soup to a height of 4 cm, how much soup the hospital has to prepare…
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09
Dec
Class 9 | Chapter 13 | Surface areas and Volumes | Exercise 13.6 | Question 7
Question 7: A lead pencil consists of a cylinder of wood with a solid cylinder of graphite filled in the interior. The diameter of the pencil is 7 mm and the diameter of the graphite is 1 mm. If the…
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09
Dec
Class 9 | Chapter 13 | Surface areas and Volumes | Exercise 13.6 | Question 6
Question 6: The capacity of a closed cylindrical vessel of height 1 m is 15.4 litres. How many square metres of metal sheet would be needed to make it? Question 5 Question 7
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09
Dec
Class 9 | Chapter 13 | Surface areas and Volumes | Exercise 13.6 | Question 5
Question 5: It costs Rs. 2200 to paint the inner curved surface of a cylindrical vessel 10 m deep. If the cost of painting is at the rate of Rs. 20 per m2, find inner curved surface area of the…
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09
Dec
Class 9 | Chapter 13 | Surface areas and Volumes | Exercise 13.6 | Question 4
Question 4: If the lateral surface of a cylinder is 94.2 cm2 and its height is 5 cm, then find (i) radius of its base (ii) its volume. (Use π = 3.14) Question 3 Question 5
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