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1. |
A solid metallic cylinder of base radius 3 cm and height 5 cm is melted to form cones, each of height 1 cm and base radius 1 mm. The number of cones is ? |
A. | 7500 |
B. | 13500 |
C. | 3500 |
D. | 4500 |
Answer» C. 3500 | |