state gov Haryana Police Constable Mock Test 2024 Quantitative Aptitude Mensuration Solid Figures

A solid metallic sphere of radius 42 cm is melted and then recast into a hemisphere. If 50% of the molten metal is wasted in the process, then find the radius of the hemisphere. (in cm)

1

42 cm

2

21 cm

3

84 cm

4

None of the above

5

Not Attempted

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