the average age of four children in a family is 12 years. if the spacing betwe

Question

the average age of four children in a family is 12 years. if the spacing between their ages is 4 years, the age of the youngest child is ?

Options:

A . 3 years

B . 6 years

C . 8 years

D . 10 years

Answer: Option B
Explanation :

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