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The Average Age of 5 Members of a Family is 20 Years. the Youngest Member of the Family is 4 Years Old. the Average Age of All the Members of the Family Excluding the Youngest Member is - Mathematics

MCQ

The average age of 5 members of a family is 20 years. The youngest member of the family is 4 years old. The average age of all the members of the family excluding the youngest member is

Options

  • 24

  • 30

  • 35

  • 40

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Solution

24
Explanation:
Total age of 5 members = 5 x 20 = 100 yr

New average = `(100-4)/4 = 96/4 = 24`

Concept: Average and Age
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