Question 63

The seventh term in the series 5, 13, 29, 61, ….... is ________________.

Solution

5 x 2 + 3 = 13

13 x 2 + 3 = 29

29 x 2 + 3 = 61

61 x 2 + 3 = 125

125 x 2 + 3 = 253

253 x 2 + 3 = 509

Answer is option D.

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