The missing term is 81. This is a sequence of squares, so each number is the square of the next natural number. 1 is the square of 1, 9 is the square of 3, 25 is the square of 5, 49 is the square of 7, and 81 is the square of 9.
Find the missing term: 1, 9, 25, 49, ?, 121
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Answer: A. 64
More Number series completion questions
- Find out the wrong term: 2, 5, 10, 50, 500, 5000
- Find out the wrong term:3, 10, 27, 4, 16, 64, 5, 25, 125
- Find out the wrong term: 25, 36, 49, 81, 121, 169, 225
- Find out the wrong term: 1, 2, 4, 8, 16, 32, 64, 96,
- Find out the wrong term: 380, 188, 92, 48, 20, 8, 2
- Find out the wrong term: 1, 5, 5, 9, 7, 11, 11, 15, 12, 17
- In a given series one term is wrong or missing term: 1, 2, 5, 10, 17, 28
- In a given series one term is wrong or missing term: 0, 3, 8, 15, 24, 33
