Aspire Faculty ID #15367 · Topic: MAH MCA CET 2023 · Just now
MAH MCA CET 2023

A block of 66 × 49 × 12 is melted to form a sphere. Then the radius of sphere is approx ______.

Solution

Volume of block = volume of sphere $66×49×12 = \dfrac{4}{3}\pi r^3$ Solving gives $r ≈ 21$.
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