Question

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

12      13       22       47      96      ?

A 177 Correct Answer Incorrect Answer
B 217 Correct Answer Incorrect Answer
C 160 Correct Answer Incorrect Answer
D 193 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

12 + 12 = 13 13 + 32 = 22 22 + 52 = 47 47 + 72 = 96 96 + 92 =  177

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