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Averages in Aptitude MCQ Quiz (Multiple Choice Questions And Answers)

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36. The average of 35 numbers is 25. If each number is multiplied by 5, find the new average?

  • 150
  • 130
  •  125
  • 140

37. The average of 10 numbers is 23. If each number is increased by 4, what will the new average be?

  • 30
  • 28
  •  27
  • 26

38. The average of the marks of 12 students in a class is 36. If the marks of each student are doubled, find the new average?

  • 36
  • 23
  • 72
  • 75

39. The average age of a group of 10 persons was decreased by 3 years when one person, whose age was 42 years, was replaced by a new person. Find the age of the new person?

  • 24
  • 6
  •  12
  • 48

40.  Find the average of the series : 312, 162, 132, 142 and 122?

  • 175
  • 176
  • 177
  •  174