Home
Class 14
MATHS
The radius of an iron rod decreased to o...

The radius of an iron rod decreased to one-fourth. If its volume remains constant , the length will becomes :

A

`(1)/(16)` times of the original

B

16 times of the original

C

4 times of the original

D

`(1)/(4)` times of the original

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MENSURATION

    ARIHANT PUBLICATION PUNJAB|Exercise Chapter Exercise|83 Videos
  • MEASUREMENT SYSTEM

    ARIHANT PUBLICATION PUNJAB|Exercise CHAPTER EXERCISE|111 Videos
  • NUMBER SYSTEM

    ARIHANT PUBLICATION PUNJAB|Exercise Example |33 Videos

Similar Questions

Explore conceptually related problems

The radius of a wire is decreased to one-third. If volume remains the same, the length will become 3 times (b) 6 times (c) 9 times (d) 27 times

The radius of a wire is decreased to one-third. If volume remains the same, length will increase by ?

The radius of a cylinder is increasing at the rate of 5 cm min^(-1) , so that its volume is constant. When its radius is 5 cm and height is 3 cm, then the rate of decreasing of its height is

If the radius of a potentiometer wire is increased four times, keeping its length constant, then the value of its potential gradient will become

If the radius of a sphere becomes 3 times then its volume will become

If the radius of the earth becomes half of its present value (mass remaining the same ), the new length of the day would be

ARIHANT PUBLICATION PUNJAB-MENSURATION-Chapter Exercise
  1. If two adjacent sides of asquare paper are decreased by 20% and 40% r...

    Text Solution

    |

  2. What is the ratio of side and height of an equilateral triangle?

    Text Solution

    |

  3. The radius of an iron rod decreased to one-fourth. If its volume remai...

    Text Solution

    |

  4. The area of a triangle with base x unit is equal to the area of a squ...

    Text Solution

    |

  5. The ratio between the length and perimeter of a rectangular plot is 1 ...

    Text Solution

    |

  6. Diameter of a jar cylindrical in shape is increased by 25%. By what...

    Text Solution

    |

  7. Two square have sides x cma nd (2 x + 1) cm, respectively . The sum of...

    Text Solution

    |

  8. If the circumference of a circle is 3 cm, then its area, in cm^(2) is

    Text Solution

    |

  9. The area of a rectangle is A cm ^(2) and length is l cm. Its perimet...

    Text Solution

    |

  10. A cube has a volume125 cm^(3) . Area of its one face is

    Text Solution

    |

  11. A square and a circle have equal perimeters. The ratio of the area of ...

    Text Solution

    |

  12. The circumference of the circular base of a cylinder is 44 cm and its ...

    Text Solution

    |

  13. ABCD is a square with AB =(x = 16) cm and BC = (3x) cm . The perimete...

    Text Solution

    |

  14. The scale of a map is given as 1 : 10000 . On the map, a forest occup...

    Text Solution

    |

  15. 42 cubes each of side 1 cm area glured together to form a solid cubo...

    Text Solution

    |

  16. The area of a trapezium -shaped field is 720 m^(2) , the distance bet...

    Text Solution

    |

  17. The base of isosceles Delta ABC is 48 cm and its area is 168 cm^(2) ...

    Text Solution

    |

  18. The area of square is (16)/(pi) area of a circle. The ratio of the si...

    Text Solution

    |

  19. Four times the area of the curved surface of a cylinder is equal to 6 ...

    Text Solution

    |

  20. If a, b and c are respectively the number of faces, edges and vertices...

    Text Solution

    |