4, 6, 9, 13,
| A. | 15 |
| B. | 12 |
| C. | 18 |
| D. | 17 |
Answer : C Explanation : The difference between two consecutive numbers is increasing in the order of 2,3, 4, 5, etc. |
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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. |
