A solid piece of iron in the form of a cuboid of dimensions \( 49 \mathrm{~cm} \times 33 \mathrm...

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A solid piece of iron in the form of a cuboid of dimensions \( 49 \mathrm{~cm} \times 33 \mathrm{~cm} \times 24 \mathrm{~cm} \), is recasted to form a solid sphere. Find the diameter of the sphere.
a. \( 21 \mathrm{~cm} \)
b. \( 7 \mathrm{~cm} \)
c. \( 24 \mathrm{~cm} \)
d. \( 42 \mathrm{~cm} \)
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