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

      Question

      There are 15 natural numbers whose average is 30.6. The

      average of the first 8 numbers is 28, and the average of the last 8 numbers is 33. Find the eighth number in this sequence.
      A 31 Correct Answer Incorrect Answer
      B 28 Correct Answer Incorrect Answer
      C 27 Correct Answer Incorrect Answer
      D 30 Correct Answer Incorrect Answer
      E 29 Correct Answer Incorrect Answer

      Solution

      Sum of all 15 natural numbers = 30.6 X 15 = 459 Required, eighth number = 8 X 28 + 8 X 33 - 459 = 224 + 264 - 459 = 488 - 459 = 29

      Practice Next
      More Average Questions

      Relevant for Exams:

      ask-question