A man had 7 children. When their average age was 12 years, a child aged 6 years

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A man had 7 children. When their average age was 12 years, a child aged 6 years died. Then average age of remaining six children is :

Options:

A . 13 years

B . 10 years

C . 11 years

D . 14 years

Answer: Option A

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