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Select the number from among the given options that can replace the question mark (?) in the following series.

1, 9, 25, 49, 81, ?


1. 91
2. 111
3. 121
4. 94

1 Answer

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Best answer
Correct Answer - Option 3 : 121

The logic is:

12 = 1

32 = 9

52 = 25

72 = 49

92 = 81

112 = 121

Hence, ‘121’ is the correct answer.

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