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  9. Q148

ibps-so 2025 · Question 148 of 271

Directions (145-150): In each of these questions a number series is given. In each series only one number is wrong. Find out the wrong number. 15, 75, 129, 191, 243, 309, 357

  1. A15
  2. B75
  3. C309Correct
  4. D243
  5. E357

Answer: C. 309

Explanation

Wrong term = 309 Pattern of series

Source: IBPS SO Prelims Memory Based 2025 (held 30 Aug 2025, Shift 1) - BankersAdda · memory-based

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