Home
Class 10
MATHS
The barrel of a fountain pen, cylindrica...

The barrel of a fountain pen, cylindrical in shape, is 7 cm long and 5 mm in diameter. A full barrel of ink in the pin is used up on writing 3300 words on an average. How many words can be written in a bottle of ink containing one-fifth of a litre?

Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    RD SHARMA|Exercise All Questions|230 Videos
  • TRIANGLES

    RD SHARMA|Exercise All Questions|361 Videos

Similar Questions

Explore conceptually related problems

The barrel of a fountain pen,cylindrical in shape,is 7cm long and 5mm in diameter.A full barrel of ink in the pin is used up on writing 3300 words on an average.How many words can be written in a bottle of ink containing one-fifth of a litre?

A barrel of a fountain pen,cylindrical in shape, is 7cm long and 5mm in diameter.A full barrel of ink in the pen will be used up when writing 310 words on the average,if a bottle of ink containing one-fifth of a litre then the number of words that can be formed is

Solve any one of the following sub-questions : The barrel of a fountain pen , cylindrical in shape , is 7 cm long and 5 mm in diameter . A full barrel of ink in the pen will be used up on writing 330 words on an average then (a) Find the volume of the barrel of the fountain pen . (b) If the ink in the bottle is 1/5 th of a barrel write the volume of the ink in cm^(3) Thus find how many words would be written by fountain pen utilizing all the ink present in the bottle ?

An ink pen,with a cylindrical barrel of diameter 2cm and height 10.5cm, and completely filled with ink,can be used to write 4950 words.How many words can be written using 400ml of ink? (Take 1litre = 1000cm^(3))

An ink pen, with a cylindrical barrel of diameter 2 cm and height 10.5 cm, and completely filled with ink, can be used to write 4950 words. How many words can be written using 400 ml of ink ? (Take 1 litre = 1000 cm^(3) )

A fountain pen with a cylindrical barrel of diameter2cm and height 10.5cm, filled with ink,can write 3300 words.How many words can be written withthat pen using 100ml of ink? (Take 1cc=1ml)

An ink container of cylindrical shape is filled with ink upto 91% Ballpen refills of length 12 cm and inner diameter 2 mm are filled upto 84% . IF the height and radius of the ink container are 14 cm and 6 cm respectively, find the number of refills that can be filled with this ink.

RD SHARMA-SURFACE AREAS AND VOLUMES-All Questions
  1. Water in a canal, 30\ d m\ w i d e\ a n d\ 12 d m\ d e e p ,\ is f...

    Text Solution

    |

  2. A hemispherical tank of radius 1.75 m is full of water. It is conne...

    Text Solution

    |

  3. The barrel of a fountain pen, cylindrical in shape, is 7 cm long and 5...

    Text Solution

    |

  4. The cost of painting the total outside surface of a closed cylindri...

    Text Solution

    |

  5. A copper wire, 3 mm in diameter, is wound about a cylinder whose le...

    Text Solution

    |

  6. A copper wire, 3 mm in diameter, is wound about a cylinder whose le...

    Text Solution

    |

  7. The radii of the internal and external surfaces of a metallic spher...

    Text Solution

    |

  8. The largest sphere is carved out of a cube of a side 7 cm. Find the...

    Text Solution

    |

  9. Determine the ratio of the volume of a cube to that of a sphere which ...

    Text Solution

    |

  10. The radius of a solid iron sphere is 8 cm. Eight rings of iron plat...

    Text Solution

    |

  11. The radii of the bases of two right circular solid cones of same he...

    Text Solution

    |

  12. Selvis house has an overhead tank in the shape of a cylinder. This is...

    Text Solution

    |

  13. A hemispherical tank full of water is emptied by a pipe at the rate...

    Text Solution

    |

  14. How many balls, each of radius 1 cm, can be made from a solid spher...

    Text Solution

    |

  15. How many spherical bullets each of 5 cm in diameter can be cast fro...

    Text Solution

    |

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

    Text Solution

    |

  17. 2.2 cubic dm of brass is to be drawn into a cylindrical wire 0.25 c...

    Text Solution

    |

  18. What length of a solid cylinder 2 cm in diameter must be taken to r...

    Text Solution

    |

  19. A cylindrical vessel having diameter equal to its height is full of...

    Text Solution

    |

  20. 50 circular plates each of diameter 14 cm and thickness 0.5 cm are ...

    Text Solution

    |