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Arithmetic Aptitude :: Average

  1. 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.
  2. A.
    12 years
    B.
    13 years
    C.
    14 years
    D.
    15 years

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  3. 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.
  4. A.
    12 years
    B.
    13 years
    C.
    14 years
    D.
    15 years

    View Answer

    Workspace

    Discuss Discuss in Forum