- A80
- B55
- C65
- D105
Step-by-Step Solution
The added values are the squares 1, 4, 9, 16, 25, so the fourth term should be 55 + 9 = 64, not 65.
Answer: C) 65
The series 50, 51, 55, 65, 80, 105 has one wrong term. Which is it?
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