Q. Complete the series:
1, 3, 7, 13, 21, 31, 43, ?

  • (A) 59
  • (B) 55
  • (C) 61
  • (D) 57
✅ Correct Answer: (D) 57

Published by Chandrakant ⭐ 6.73K Points at 06-Aug-2021 06:30 am in Reasoning

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