Question

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

72 85 103 126 154 ?

A 189 Correct Answer Incorrect Answer
B 187 Correct Answer Incorrect Answer
C 185 Correct Answer Incorrect Answer
D 183 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

72 + 13 = 85 85 + 18 = 103 103 + 23 = 126 126 + 28 = 154 154 + 33 = 187

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