The average of 5 numbers is 60. When one more number is added, the average becomes 62. What number was added?

  1. 62
  2. 72
  3. 78
  4. 74
Answer

B) 72

Old total = 5 60 = 300; new total = 6 62 = 372; added number = 72.

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