A) \[13\,\,years\]
B) \[12\,\,years\]
C) \[12\frac{1}{2}years\]
D) \[11\frac{1}{2}years\]
Correct Answer: B
Solution :
Average\[=\frac{66+14+16}{8}\]years \[=12\]yearsYou need to login to perform this action.
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