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.

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). 45years
2). 35years
3). 39 years
4). 30 years

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