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In the given series, one number is missing. Select the correct alternative from the given ones that will complete the series.

5, 13, 29, 53, 85, ?


1. 99
2. 110
3. 125
4. 130

1 Answer

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Best answer
Correct Answer - Option 3 : 125

The pattern followed here is,

12 + 4 = 5,

32 + 4 = 9 + 4 = 13,

52 + 4 = 25 + 4 = 29,

72 + 4 = 49 + 4 = 53,

92 + 4 = 81 + 4 = 85

So, the next number is,

112 + 4 = 121 + 4 = 125

Hence, 125 is the correct answer.

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