Question

13 11 19 53 207 ? 6167

Answer 1

Ans = 1029

13×1 -2 = 11
11×2-3 = 19
19×3-4 = 53
53×4-5=207
207×5-6=1029
1029×6-7=6167

Answer 2

$13 \times 1 - 2 = 11 \\ 11 \times 2 - 3 = 19 \\ 19 \times 3 - 4 = 53 \\ 53 \times 4 - 5 = 207 \\ 207 \times 5 - 6 = 1029 \\ 1029 \times 6 - 7 = 6167$

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