📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store
  • ✖

      Question

      The average of n numbers is 60. If each of 55% of the

      numbers is increased by 12 and each of the remaining numbers is decreased by 12, then the new average of the numbers will be
      A 68 Correct Answer Incorrect Answer
      B 66.5 Correct Answer Incorrect Answer
      C 61.2 Correct Answer Incorrect Answer
      D 63.4 Correct Answer Incorrect Answer
      E Cannot be determined Correct Answer Incorrect Answer

      Solution

      Avg. = 60 + ((55 x 12 - 45 x 12)/100) = 60 + 1.2 = 61.2

      Practice Next

      Relevant for Exams:

      ask-question