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प्रश्न
Match the following.
| 1. | Length of the fore arm | metre |
| 2. | SI unit of length | second |
| 3. | Nano | 103 |
| 4. | SI Unit of time | 10–9 |
| 5. | Kilo | Cubit |
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उत्तर
| 1. | Length of the fore arm | Cubit |
| 2. | SI unit of length | metre |
| 3. | Nano | 10–9 |
| 4. | SI Unit of time | second |
| 5. | Kilo | 103 |
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