The mean radius of the earth is approximately
| A. | 3200 Km |
| B. | 6400Km |
| C. | 9600Km |
| D. | 12800Km |
Answer : B Explanation : |
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
