railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Mensuration Solid Figures
A solid metallic cylindrical rod of radius 1.2 cm and length 22 cm is melted and recasted as a cylindrical wire of radius 2 mm. What is the length of the wire (in cm) ?
1
79.2
2
792
3
4752
4
79200