Question

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

25       47       91       179       ?       707

A 348 Correct Answer Incorrect Answer
B 355 Correct Answer Incorrect Answer
C 350 Correct Answer Incorrect Answer
D 359 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

25 + 22 = 47 47 + 44 = 91 91 + 88 = 179 179 + 176 =  355 355 + 352 = 707

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