Question

Find the wrong number in the following number series.

2       27         43      50        56         57

A 57 Correct Answer Incorrect Answer
B 43 Correct Answer Incorrect Answer
C 56 Correct Answer Incorrect Answer
D 27 Correct Answer Incorrect Answer
E 50 Correct Answer Incorrect Answer

Solution

2 + 52 = 27 27 + 42 = 43 43 + 32 =  52 52 + 22 = 56 56 + 12 = 57

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