Home
Class 10
MATHS
A cylindrical jar of radius 6 cm cont...

A cylindrical jar of radius 6 cm contains oil. Iron spheres each of radius 1.5 cm are immersed in the oil. How many spheres are necessary to raise the level of the oil by two centimetres?

Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    RD SHARMA ENGLISH|Exercise All Questions|250 Videos
  • TRIANGLES

    RD SHARMA ENGLISH|Exercise All Questions|366 Videos

Similar Questions

Explore conceptually related problems

A cylindrical vessel of radius 4 cm contains water. A solid sphere of radius 3 cm is lowered into the water until it is completely immersed. The water level in the vessel will rise by: 2/9c m (b) 4/9c m (c) 9/4c m (d) 9/2c m

A sphere of radius 5cm is immersed in water filled in a cylinder, the level of water rises 5/3c mdot Find the radius of the cylinder.

A solid cone of radius 5 cm and height 8 cm is melted and made into small spheres of radius 0.5 cm. Find the number of spheres formed.

A solid metallic sphere of radius 5.6 cm is melted and solid cones each of radius 2.8 cm and height 3.2 cm are made. Find the number of such cones formed.

A cylindrical tub of radius 12 cm contains water to a depth of 20 cm. A spherial iron ball is dropped into the tub and thus the level of water is raised by 6.75 cm. What is the radius of the ball?

How many balls of radius 1 cm can be drawn by melting a metallic sphere of radius 3 cm?

A cylindrical tub of radius 12 cm contains water to a depth of 20 cm. A spherical ball is dropped into the tub and the level of the water is raised by 6.75 cm. Find the radius of the ball.

A cylindrical tub of radius 12 cm contains water to a depth of 20 cm. A spherical ball is dropped into the tub and the level of the water is raised by 6.75 cm. Find the radius of the ball.

A sphere of radius 6 cm is melted and reacst in to a cone of height 6 cm .Find the radius of the cone.

How many balls, each of radius 1 cm, can be made from a solid sphere of lead of radius 8 cm?

RD SHARMA ENGLISH-SURFACE AREAS AND VOLUMES-All Questions
  1. A cylindrical tub of radius 12 cm contains water to a depth of 20 c...

    Text Solution

    |

  2. 500 persons have to dip in a rectangular tank which is 80 m long an...

    Text Solution

    |

  3. A cylindrical jar of radius 6 cm contains oil. Iron spheres each of...

    Text Solution

    |

  4. A hollow sphere of internal and external radii 2 cm and 4 cm respec...

    Text Solution

    |

  5. The internal and external diameters of a hollow hemispherical vesse...

    Text Solution

    |

  6. Raise in water level problems : A cylinderical tub of radius 12 cm con...

    Text Solution

    |

  7. A spherical ball of radius 3 cm is melted and recast into three sph...

    Text Solution

    |

  8. The diameter of a metallic sphere is equal to 9 cm. It is melted an...

    Text Solution

    |

  9. An iron spherical ball has been melted and recast into smaller ball...

    Text Solution

    |

  10. A tent of height 77 dm is in the form a right circular cylinder of ...

    Text Solution

    |

  11. Metal spheres, each of radius 2 cm, are packed into a rectangular b...

    Text Solution

    |

  12. The largest sphere is to be curved out of a right circular cylinder...

    Text Solution

    |

  13. A copper sphere of radius 3 cm is melted and recast into a right ci...

    Text Solution

    |

  14. A copper rod of diameter 1 cm and length 8 cm is drawn into a wire ...

    Text Solution

    |

  15. The diameters of the internal and external surfaces of a hollow sph...

    Text Solution

    |

  16. A right angled triangle whose sides are 3 cm, 4 cm and 5 cm is revo...

    Text Solution

    |

  17. How many coins 1.75 cm in diameter and 2 mm thick must be melted to...

    Text Solution

    |

  18. A well with inner diameter 8 m is dug 14 m deep. Earth taken out of...

    Text Solution

    |

  19. Water in a canal, 6 m wide and 1.5 m deep, is flowing with a speed ...

    Text Solution

    |

  20. A farmer connects a pipe of internal diameter 20 cm from a canal int...

    Text Solution

    |