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20, 21, 25, 34, 50,?, 111

Correct Answer: 75

Explanation:

Series pattern
20 + 12 = 21,
21 + 22 = 25,
25 + 32 = 34,
34 + 42 = 50,
50 + 52 = 75 Should come in place of ' ? '
75 + 62 = 111


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