MCQOPTIONS
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| 1. |
If the radius of a sphere is increased by 2.5 decimetre (dm), then its surface area increases by 110 dm2. What is the volume (in dm3) of the sphere?(Take π = \(\frac{22}{7}\)) |
| A. | \(\frac{4}{7}\) |
| B. | \(\frac{3}{7}\) |
| C. | \(\frac{13}{21}\) |
| D. | \(\frac{11}{21}\) |
| Answer» E. | |