The average of 8 numbers is 25. When one more number is added, the average becomes 26. What number was added?

  1. 32
  2. 38
  3. 34
  4. 24
Answer

C) 34

Old total = 8 25 = 200; new total = 9 26 = 234; added number = 34.

Quantitative Reasoning MCQ · More Percentages, Ratios & Averages MCQs · Practise