📢 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 25 numbers is 22.The average of first 12

      numbers is 14 and that of the last 12 numbers is 17. What will be the 25th number?
      A 178 Correct Answer Incorrect Answer
      B 226 Correct Answer Incorrect Answer
      C 190 Correct Answer Incorrect Answer
      D 184 Correct Answer Incorrect Answer

      Solution

      Sum of 25 numbers = 25 × 22 = 550 Sum of first 12 numbers = 12 × 14 = 168 Sum of last 12 numbers = 12 × 17 = 204 Therefore, 25th number = 550 – (168 + 204) = 178

      Practice Next
      ask-question