Question

What should come in place of the question mark (?) in the following number series?

4 6 ? 31 119 601

A 11 Correct Answer Incorrect Answer
B 9 Correct Answer Incorrect Answer
C 13 Correct Answer Incorrect Answer
D 21 Correct Answer Incorrect Answer
E 8 Correct Answer Incorrect Answer

Solution

4 × 1 + 2 = 6 6 × 2 - 3 = 9 9 × 3 + 4 = 31 31 × 4 - 5 = 119 119 × 5 + 6 = 601

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