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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 ?
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- 7500
- 13500
- 3500
- 4500
Correct Option: B
Let required number of coins be n, Then,
n x 1/3 x π (1/10)2 x 1 = π x (3)2 x 5
∴ n = 9 x 5 x 3 x 100 = 13500
