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16, 19, 21, 30, 46, 71, 107

Q: 16, 19, 21, 30, 46, 71, 107

Series pattern 16 + 12 = 17 Should come in place of 19 17 + 22 = 21 ; 21+ 32 = 30; 30 + 42 = 46 ; 46 + 52 = 71 71 + 62 = 107 Clearly, 19 is wrong and will be replaced by 17.

Correct Answer: 19

Explanation:

Series pattern
16 + 1² = 17
Should come in place of 19
17 + 2² = 21 ; 21+ 3² = 30;
30 + 4² = 46 ; 46 + 5² = 71
71 + 6² = 107
Clearly, 19 is wrong and will be replaced by 17.

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16, 19, 21, 30, 46, 71, 107

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