Question 43

What is the eighth term of the sequence 5, 7, 11, 19 _ _ _ _ _?

Solution

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 5 x 2 - 3 = 7
 7 x 2 - 3 = 11
11 x 2 - 3 = 19
19 x 2 - 3 = 35
35 x 2 - 3 = 67
67 x 2 - 3 = 131
131 x 2 - 3 = 259

Answer is option D.

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