4,9,19,39...
| A. | 49 |
| B. | 79 |
| C. | 89 |
| D. | 59 |
Answer : B Explanation : The difference is being doubled at every number in every pair |
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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. |
