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      Question

      The average of 6 numbers is 25. If the sum of the first

      5 numbers is 110, find the 6th number.
      A 40 Correct Answer Incorrect Answer
      B 20 Correct Answer Incorrect Answer
      C 65 Correct Answer Incorrect Answer
      D 55 Correct Answer Incorrect Answer

      Solution

      Total sum of 6 numbers = 6 Γ— 25 = 150 Let 6th number = x. Sum of first 5 + 6th = 110 + x = 150 So x = 150 βˆ’ 110 = 40 Answer: 6th number = 40.

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