Question

56, 57, 49, 76, 12, ?

A 137 Correct Answer Incorrect Answer
B 88 Correct Answer Incorrect Answer
C 56 Correct Answer Incorrect Answer
D 124 Correct Answer Incorrect Answer
E -18 Correct Answer Incorrect Answer

Solution

56 + 1³ = 57 57 - 2³ = 49 49 + 3³ = 76 76 - 4³ = 12 12 + 5³ = 137

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