Question
The surface area of a sphere is 616 cm². Find its radius.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Class-interval | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 | 70-80 |
| Frequency | 5 | 8 | 7 | 12 | 28 | 20 | 10 | 10 |