state gov Assam (অসম) ADRE Grade III Mock Test Series 2025 Quantitative Aptitude Mensuration Solid Figures
If 800 identical solid spherical balls of radius 7 cm are melted to form a single big sphere and in this process 36% of solid is wasted, then what is the radius (in cm) of the bigger sphere?
1
56
2
54
3
63
4
49