📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!
  • google app store apple app store
    • ✖

      Question

      Select the number from the given option that can replace

      the question mark (?) in the following series: 309, 181, ?, 85, 69, 61, 57
      A 107 Correct Answer Incorrect Answer
      B 112 Correct Answer Incorrect Answer
      C 105 Correct Answer Incorrect Answer
      D 117 Correct Answer Incorrect Answer

      Solution

      The logic followed here is as follows: 57 + 4 = 61 61 + 8 = 69 69 + 16 = 85 85 + 32 = 117 117 + 64 = 181 181 + 128 = 309

      Practice Next
      More Missing Series Questions