How many solid cylinders of radius 5 cm and height 3 cm can be made by melting a solid sphere of radius 30 cm?
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volume of sphere = 4/3 pie r^3
4/3 × 22/7 × 30 ×30 ×30
= 113142.85 cm^3
= volume of cylinder = pie r^2 h
= 22/7 5×5×3
= 1650÷7 = 235.71
no. of cylinder = 113142.85÷ 235.71
= 480 cylinders approx
4/3 × 22/7 × 30 ×30 ×30
= 113142.85 cm^3
= volume of cylinder = pie r^2 h
= 22/7 5×5×3
= 1650÷7 = 235.71
no. of cylinder = 113142.85÷ 235.71
= 480 cylinders approx
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