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Mathematics

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A rectangular block of lead with dimension 43 cm x 53 cm x 63 cm is melted to mould spherical balls of 3 cm radius. How many balls are made? (Round your answer to the nearest whole number and take Pi as 3.14)

  • Mathematics - ,

    volume of lead: 43x53x63 = 6837
    volume of ball: 4/3 pi * 3^3 = 113.10

    number of balls = 6837/113.10 = 60.45

    So, only 60 complete balls can be made.

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