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One cubic metre of a certain metal weigh...

One cubic metre of a certain metal weighing 900 Kg is melted and then rolled in to a bar whose cross section is a squre and whose length is 9 meter .An exact cube is cut off from it . Find the weight oif this cube.

Text Solution

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The correct Answer is:
33.33 kg
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One cubic meter piece of copper is melted and recast into a bar 36 meters long with a square cross-sectional area.An exact cube is cut off from this bar.The cost of this cube,if 1m3 of copper costs Rs.216 will be :

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Knowledge Check

  • The weight of a cubic metre of a certain metal is 480 kg. It is melted and then rolled into a square bar 4 m long. Now an exact cube is cut from it. Find the weight of the cube.

    A
    240 kg
    B
    80 kg
    C
    120 kg
    D
    60 kg

  • One cubic metre piece of copper is melted and recast into a square cross- section bar , 36 m long. An exact cube is cut off from this bar. If cubic metre of copper cost Rs. 108 , then the cost of this cube is :

    A
    a. 50 paise
    B
    b. 75 paise
    C
    c. one rupee
    D
    d. 1.50 rupee

  • One cubic metre piece of copper is melted and recast into a square cross section bar, 36 m long. An exact cube is cutoff from this bar. If 1m^(3) of copper cost is Rs. 108, then what is the cost of this cube ?

    A
    Rs. 0.50
    B
    Rs. 0.17
    C
    Rs. 0.004
    D
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