Acylinder with base radius 8 cm and height 2cm is melted to form a cone of height 6 cm. The radius of the cone will be

Acylinder with base radius 8 cm and height 2cm is melted to form a cone of height 6 cm. The radius of the cone will be
1). 6 cm
2). 8 cm
3). 4 cm
4). 5 cm

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