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Question

Find the wrong number in the following number series.

2       4         11      37        150         771

A 150 Correct Answer Incorrect Answer
B 37 Correct Answer Incorrect Answer
C 11 Correct Answer Incorrect Answer
D 771 Correct Answer Incorrect Answer
E 4 Correct Answer Incorrect Answer

Solution

2 × 1 + 2 = 4 4 × 2 + 3 = 11 11 × 3 + 4 = 37 37 × 4 + 5 =  153 153 × 5 + 6 = 771

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