MCQOPTIONS
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| 1. |
50 annual rings are found in the cross section of the old trunk of a tree. The age of the tree will be - |
| A. | 25 वर्ष |
| B. | 49 वर्ष |
| C. | 50 वर्ष |
| D. | 100 वर्ष |
| Answer» D. 100 वर्ष | |