MCQOPTIONS
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| 1. |
Three circle of diameter 10 cm each touching one another are bound together by a rubber band, the length of the rubber band is - |
| A. | 30 |
| B. | 30 + 10 π |
| C. | 10 π |
| D. | 60 + 20 π |
| Answer» C. 10 π | |