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Select the number that can replace the question mark (?) in the given number series.

5, 9, 16, 29, ?, 103

A92

B86

C78

D54

Answer:

D. 54

Read Explanation:

5 × 2 - 1 = 10 - 1 = 9 9 × 2 - 2 = 18 - 2 = 16 16 × 2 - 3 = 32 - 3 = 29 29 × 2 - 4 = 58 - 4 = 54 54 × 2 - 5 = 108 - 5 = 103


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