MCQOPTIONS
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| 1. |
The number of coins of radius 0.75 cm and thickness 0.2 cm to be melted to make a right circular cylinder of height 8 cm and base radius 3 cm is : |
| A. | 412 |
| B. | 560 |
| C. | 640 |
| D. | 780 |
| Answer» D. 780 | |