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In a family, the average age of 5 children is 5 years. If the age of their father also included, the average age will be increased by 100%. Find the age of father.1). 45years2). 35years3). 39 years4). 30 years |
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Answer» AVERAGE age of 5 children = 5 years So, total sum of age of the 5 children = 25 Average age of 5 children including their father = 5 + 5 × 100/100 = 10 years So, total sum of age of the 5 children including their father = 6 × 10 = 60 years ∴ Age of the father = 60 – 25 = 35 years |
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