Question

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

17 ? 33 44 57 72

A 44 Correct Answer Incorrect Answer
B 25 Correct Answer Incorrect Answer
C 24 Correct Answer Incorrect Answer
D 42 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

17 + 7 = 24 24 + 9 = 33 33 + 11 = 44 44 + 13 = 57 57 + 15 = 72

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