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Arithmetic Aptitude :: Average

  1. Average of five numbers is 20. If each number is multiplied by 2, what will be the new average?
  2. A.
    30
    B.
    40
    C.
    50
    D.
    60

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  3. If the average of three consecutive even numbers is 34, find the largest of these numbers.
  4. A.
    30
    B.
    32
    C.
    34
    D.
    36

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  5. What is the average of first five multiples of 12?
  6. A.
    36
    B.
    38
    C.
    40
    D.
    42

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  7. 10 typists can type 600 pages in 8 hours.Find the average number of pages typed by each typist in an hour.
  8. A.
    7 pages
    B.
    7.5 pages
    C.
    8 pages
    D.
    8.5 pages

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  9. Average age of a group of 30 boys is 16 years. A boy of age 19 leaves the group and a new boy joins the group. If the new average age of the group is 15.8 years, find the age of the new boy.
  10. A.
    12 years
    B.
    13 years
    C.
    14 years
    D.
    15 years

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