Home
Class 14
MATHS
The area of the base of a right circular...

The area of the base of a right circular cone is `400 pi` and its height is 15 cm. The curved surface area of the cone (in `cm^2`) is :
एक लम्ब वृत्तीय शंकु के आधार का क्षेत्रफल `400 pi` है और इसकी ऊंचाई 15 सेमी है | इस शंकु का वक्र पृष्ठ क्षेत्रफल ( वर्ग सेमी में ) है :

A

`480 pi`

B

`450 pi`

C

`560 pi`

D

`500 pi`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SSC CGL MAINS 2018 NUMBER SYSTEM

    PINNACLE|Exercise Exercise|28 Videos

  • SSC CHSL 2018 QUESTION PAPER

    PINNACLE|Exercise Exercise|600 Videos

Similar Questions

Explore conceptually related problems

The diameter of the base of a right circular cone is 10 cm and its height is 12 cm. What is the total surface area (in cm^2 ) of the cone? एक लम्ब वृत्तीय शंकु के आधार का व्यास 10 सेमी है तथा इसकी ऊंचाई 12 सेमी है | इस शंकु का कुल पृष्ठ क्षेत्रफल ( वर्ग सेमी में ) कितना है ?

The area of the base of a right circular cone is 81 pi cm^2 and its height is 12cm. What is the curved surface area (in cm^2 ) of the cone ? एक गोलाकार शंकु के आधार का क्षेत्रफल 81 pi cm^2 सेमी है और इसकी ऊंचाई 12 cm है। शंकु का घुमावदार सतह क्षेत्रफल ( cm^2 में ) क्या है?

The height of a right circular cone is 5 cm and its base radius is 12 cm. What is the curved surface area of the cone? एक लम्ब वृत्तीय शंकु की ऊंचाई 5 सेमी है तथा इसके आधार की त्रिज्या 12 सेमी है | इस शंकु का वक्र पृष्ठ क्षेत्रफल ज्ञात करें |

The circumference of the base of a right circular cone is 44cm and its height is 24 cm. The curved surface area (in cm^2 ) of the cone is : एक गोलाकार शंकु के आधार की परिधि 44 cm है और इसकी ऊंचाई 24 cm है। शंकु की घुमावदार सतह क्षेत्र ( cm^2 में) है

The radius of the base of a right circular cylinder is 3 cm and its curved surface area is 60 pi cm^2 . The volume of the cylinder (in cm^3 ) is : एक लम्ब वृत्तीय बेलन के आधार की त्रिज्या 3 सेमी है तथा इसका वक्र पृष्ठ क्षेत्रफल 60 pi वर्ग सेमी है | इस बेलन का आयतन होगा:

The volume of a right circular cone is 924 cubic cm. If it.s height is 18 cm, then the area of it’s base (In square cm) is: एक लम्ब वृतीय शंकु का आयतन 924 घन सेमी है। यदि इसकी ऊंचाई 18 सेमी है, तो इसके आधार का क्षेत्रफल (वर्ग सेमी में) है:

The volume of a right circular cone is 1232 cm^3 and its height is 24 cm. Find its curved surface area. ( pi= 22/7 ) एक लम्ब वृत्तीय शंकु का आयतन 1232 cm^3 है तथा उसकी ऊंचाई 24 cm है | उसका वक्र पृष्ठ क्षेत्रफल कितना है? ( pi= 22/7 )

The radius of a solid right circular cylinder is 66 2/3 % of its height. If height is h centimeters then its total surface area (in cm^2 ) is: ठोस लम्ब वृत्तीय बेलन की त्रिज्या इसकी ऊंचाई का 66 2/3 % है| यदि ऊंचाई h सेमी है, तो इसका कुल पृष्ठ क्षेत्रफल ( वर्ग सेमी में ) ज्ञात करें |

The height of a cone is 24 cm and the area of the base is 154 cm^2 . What is the curved surface area (in cm^2 ) of the cone? एक शंकु की ऊँचाई 24 से.मी. है तथा आधार का क्षेत्रफल 154 से.मी.^2 है। शंकु के वक्र पृष्ठिय क्षेत्रफल ( से.मी.^2 में) क्या है?

The radius of a circular cone is 6 cm and its height is 7 cm. Then the volume of cone in cm^3 is: (take pi=22/7 ) एक गोलाकार शंकु की त्रिज्या 6 cm है और इसकी ऊंचाई 7 सेमी है। फिर शंकु का आयतन cm^3 में क्या होगा ?

PINNACLE-SSC CGL MAINS ALL MENSURATION QUES 2018-Exercise
  1. A right circular solid cone of radius 3.2 cm and height 7.2 cm is melt...

    Text Solution

    |

  2. A cylindrical vessel of radius 3.5 m is full of water. If 15400 litres...

    Text Solution

    |

  3. A hemispherical bowl of internal diameter 36 cm is full of a liquid. T...

    Text Solution

    |

  4. If the curved surface area of a solid cylinder is one-third of its tot...

    Text Solution

    |

  5. The area of the base of a right circular cone is 400 pi and its height...

    Text Solution

    |

  6. A solid cube is cut into three cuboids of same volumes. What is the ra...

    Text Solution

    |

  7. If the volume of a sphere is 4851 cm^3, then its surface area (in cm^2...

    Text Solution

    |

  8. The base of a right prism is a triangle with sides 20 cm, 21 cm and 29...

    Text Solution

    |

  9. The radius and the height of a right circular cone are in the ratio 5:...

    Text Solution

    |

  10. The base of a right pyramid is an equilateral triangle with area 16 sq...

    Text Solution

    |

  11. N solid metallic spherical balls are melted and recast into a cylindri...

    Text Solution

    |

  12. A right prism has height 18cm and its base is a triangle with sides 5c...

    Text Solution

    |

  13. A sphere of maximum volume is cut out from a solid hemisphere. What is...

    Text Solution

    |

  14. The radius of the base of a right circular cylinder is 3 cm and its cu...

    Text Solution

    |

  15. A tank is in the form of a cuboid with length 12m. If 18kilolitre of w...

    Text Solution

    |

  16. A solid cylinder of base radius 12cm and height 15 cm is melted and re...

    Text Solution

    |

  17. The radius of the base of a right circular cylinder is increased by 20...

    Text Solution

    |

  18. The internal diameter of a hollow hemispherical vessel is 24 cm. It is...

    Text Solution

    |

  19. A 15 m deep well with radius 2.8 m is dug and the earth taken out from...

    Text Solution

    |

  20. A sector of radius 10.5 cm with the central angle 120^@ is folded to f...

    Text Solution

    |