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A iron pillar consists of a cylindrical ...

A iron pillar consists of a cylindrical portion of 2.8 m height and 20 cm in diameter and a cone of 42 cm height sumounting it. Find the weight of the pillar if 1 `cm^3` of iron weights 7.5 g.

Text Solution

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The correct Answer is:
693 kg
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Knowledge Check

  • If the height of a right circular cone be 4.8 cm and its diameter of base 4 cm, then the slant height of the cone will be

    A
    `4.2cm`
    B
    `5.2cm`
    C
    `6.2cm`
    D
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  • A solid metallic cone of radius 10 cm and height 2/5 m is melted and recast into a sphere.Find the radius of the sphere.

    A
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    B
    `10sqrt10` cm
    C
    10 cm
    D
    8 cm

  • A cylindrical tank with radius 60 cm is being filled by a cir cular pipe with internal diameter of 4 cm at the rate of 1 m/ sec. Find the height of water column in 18 minutes.

    A
    66 m
    B
    12.2 m
    C
    13.2 m
    D
    6.1 m

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