Home
Class 14
MATHS
A cylindrical roller made up of iron is ...

A cylindrical roller made up of iron is 1.2m long. Its internal radius is 24cm and thickness of the iron sheet used in making the roller is15 cm. What is mass the(in kg ) of the roller, if 1 `cm^3` of the iron has 8 g mass?
लोहे से बना एक बेलनाकार रोलर 1.2 मीटर लंबा है। इसकी आंतरिक त्रिज्या 24 सेमी है और रोलर बनाने में उपयोग की जाने वाली लोहे की शीट की मोटाई 15 सेमी है। रोलर का वजन (किलो में क्या है, यदि 1 `cm^3` लोहे का द्रव्यमान 8 ग्राम है ?

A

`892.8 pi`

B

`907.2 pi`

C

`846.72 pi`

D

`845.75 pi`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • 2019 TIER-II PAPER (1)

    CHAMPION PUBLICATION|Exercise EXERCISE|99 Videos
  • 2019 TIER-II PAPER(3)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos

Similar Questions

Explore conceptually related problems

A cylindrical road roller made of iron is 1 m long. Its internal diameter is 54 cm and the thickness of the iron sheet used in making the roller is 9 cm. Find the mass of the roller, if 1\ c m^3 of iron has 7.8 gm mass. (Use pi=3. 14 )

A cylindrical road roller made of iron is 1m wide.Its inner diameter is 54cm and thickness of the iron sheet rolled into the road roller is 9cm. Find the weight of the roller if 1c.c. of iron weights8gm.

A cylindrical road roller made of metal is 1 m long. Its inner radius is 27 cm and the thickness of the metal sheet rolled into it is 9 cm. What is the weight of the roller if 1 cubic cm of metal weighs 8 g? धातु से बना एक बेलनाकार रोड रोलर 1 मीटर लंबा है। इसकी आंतरिक त्रिज्या 27 सेमी है और धातु की शीट की मोटाई 9 सेमी है। यदि 1 घन सेमी धातु का वजन 8 ग्राम हो तो रोलर का वजन कितना होगा?

A hemispherical tank is made up of an iron sheet 1cm thick.If the inner radius is 1m, then find the volume of the iron used to make the tank

A hollow iron pipe is 28 cm long and its external diameter is 10 cm.If the thickness of the pipe is 2 cm and iron weighs 5g//cm^(3) , then the weight of the pipe is :

A hollow iron pipe of 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weights "8 g/cm"^(3) , then the weight of the pipe is

An iron pipe is 21 m long and its exterior diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weight is 8 g/cm' find the weight of pipe.

The inner diameter of a cylindrical wooden pipe is 24cm and its outer diameter is 28cm . The length of the pipe is 35cm. Find the mass of the pipe,if 1cm3 of wood has a mass of 0.6 g.

CHAMPION PUBLICATION-2019 TIER-II PAPER (2)-EXERCISE
  1. Raju ate 3/8 part of a pizza and Adam ate 3/10 part of the remaining p...

    Text Solution

    |

  2. If sqrt(11-3 sqrt8)=a+b sqrt2, then what is the value of (2a + 3b) ? ...

    Text Solution

    |

  3. A cylindrical roller made up of iron is 1.2m long. Its internal radius...

    Text Solution

    |

  4. In a quadrilateral ABCD, E is a point in the interior of the quadrilat...

    Text Solution

    |

  5. What price should Neeraj mark on a shirt that cost ₹ 840, so as to ear...

    Text Solution

    |

  6. If frac(1)(x+frac(1)(y+frac(2)(z+frac(1)(4))))= 29/79 where x,y and z ...

    Text Solution

    |

  7. The rate of interest for the first 2 years is 6% p.a, for next 3 years...

    Text Solution

    |

  8. The value of (5cos^2 60^@+4sec^2 30^@-tan^2 45^@)/(tan^2 60^@- sin^2 3...

    Text Solution

    |

  9. The value of 3 1/5 div 4 1/2 of 5 1/3+1/8 div 1/2 of 1/4-1/4(1/2 div 1...

    Text Solution

    |

  10. A drink of chocolate and milk contains 8% pure chocolate by volume. If...

    Text Solution

    |

  11. The base of a solid prism of height 10cm is a square and its volume is...

    Text Solution

    |

  12. An article is marked 25%, above its cost price. If x% discount is allo...

    Text Solution

    |

  13. The average of twenty-five numbers is 54. The average of the first 13 ...

    Text Solution

    |

  14. If cos(2 theta+54^@)=sin theta, 0^@ <(2 theta+54^@)<90^@, then what is...

    Text Solution

    |

  15. If cosec theta=b/a, then (sqrt3 cot theta+1)/(tan theta+sqrt3) is equa...

    Text Solution

    |

  16. Study the pie-chart and answer the questions: Break up (degree wise) o...

    Text Solution

    |

  17. A sold an item to B at 20% gain, B sold it to C at 8% gain. C sold it ...

    Text Solution

    |

  18. (25% of (50% of 30% of 150))/(40% of 2250) is equal to :- (25% of (5...

    Text Solution

    |

  19. A dealer marks his goods at 40% above the cost price. He sells 60% of ...

    Text Solution

    |

  20. From a solid cylinder wooden block of height 18cm and radius 7.5cm, a ...

    Text Solution

    |